├── exports └── bla ├── run-server.sh ├── run-client.sh ├── Dockerfile ├── README.md └── kernel-logs ├── kernwarn-4.11.0-14.txt ├── kernoops-4.11.0-14.txt ├── kernoops-4.10.0-32.txt ├── kernoops-4.10.0-37.txt └── kernoops-4.4.0-93.txt /exports/bla: -------------------------------------------------------------------------------- 1 | -------------------------------------------------------------------------------- /run-server.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | docker run -it --rm --name samba -p 139:139 -p 445:445 -v $PWD/exports:/share dperson/samba -s "public;/share" 4 | -------------------------------------------------------------------------------- /run-client.sh: -------------------------------------------------------------------------------- 1 | #!/bin/bash 2 | 3 | docker build -t client-smb:1 . 4 | 5 | for ((i=0; i <50; i++)); do 6 | docker run --rm --name client-smb --privileged --link samba:samba client-smb:1 7 | done 8 | -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | FROM alpine 2 | 3 | RUN apk update; apk add --no-cache cifs-utils 4 | CMD set -x ; \ 5 | date ; \ 6 | mount.cifs //$SAMBA_PORT_445_TCP_ADDR/public /mnt/ -o vers=3.0,user=nobody,password= ; \ 7 | date ; \ 8 | ls -la /mnt ; \ 9 | umount /mnt ; \ 10 | echo "umount ok" 11 | 12 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | Run the samba server: 2 | ``` 3 | ./run-server.sh 4 | ``` 5 | 6 | Build the docker container & do in parallel cifs mount + umount in docker 7 | containers 8 | ``` 9 | ./run-client.sh 10 | ``` 11 | 12 | The following message will appear in the kernel log: 13 | ``` 14 | unregister_netdevice: waiting for lo to become free. Usage count = 1 15 | ``` 16 | 17 | Some minutes later the kernel problems documented in kernel-logs/ appear. 18 | -------------------------------------------------------------------------------- /kernel-logs/kernwarn-4.11.0-14.txt: -------------------------------------------------------------------------------- 1 | linux-image-4.11.0-14-generic=4.11.0-14.20~16.04.1 2 | 3 | (independent run of kernoops-4.11.0.14.txt, let it run for 20min more, no oops happened afterwards) 4 | 5 | [ +0.000824] veth1389c8a: renamed from eth0 6 | [ +0.015372] ------------[ cut here ]------------ 7 | [ +0.000012] WARNING: CPU: 0 PID: 3945 at 8 | /build/linux-hwe-edge-HLHSbp/linux-hwe-edge-4.11.0/net/ipv6/addrconf_core.c:160 9 | in6_dev_finish_destroy+0x86/0xc0 10 | [ +0.000001] Modules linked in: cmac arc4 md4 cifs ccm fscache xt_nat 11 | xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo 12 | iptable_nat nf_conntrack_ipv4 13 | nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype xt_conntrack nf_nat nf_conntrack 14 | br_netfilter bridge stp llc aufs ip6table_filter ip6_tables iptable_filter 15 | ip_tables x_tables ppdev in 16 | put_leds parport_pc pvpanic serio_raw parport ib_iser rdma_cm iw_cm ib_cm 17 | ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 18 | btrfs raid10 raid456 a 19 | sync_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq 20 | libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul 21 | ghash_clmulni_intel pcbc aesni_int 22 | el aes_x86_64 crypto_simd glue_helper cryptd psmouse virtio_net virtio_scsi 23 | [ +0.000059] CPU: 0 PID: 3945 Comm: kworker/u2:7 Not tainted 4.11.0-14-generic 24 | #20~16.04.1-Ubuntu 25 | [ +0.000001] Hardware name: Google Google Compute Engine/Google Compute 26 | Engine, BIOS Google 01/01/2011 27 | [ +0.000005] Workqueue: netns cleanup_net 28 | [ +0.000001] Call Trace: 29 | [ +0.000009] dump_stack+0x63/0x90 30 | [ +0.000003] __warn+0xcb/0xf0 31 | [ +0.000002] warn_slowpath_null+0x1d/0x20 32 | [ +0.000003] in6_dev_finish_destroy+0x86/0xc0 33 | [ +0.000004] ip6_route_dev_notify+0x11d/0x130 34 | [ +0.000003] notifier_call_chain+0x4a/0x70 35 | [ +0.000002] raw_notifier_call_chain+0x16/0x20 36 | [ +0.000002] call_netdevice_notifiers_info+0x35/0x60 37 | [ +0.000003] netdev_run_todo+0x174/0x340 38 | [ +0.000002] ? rollback_registered_many+0x3b6/0x420 39 | [ +0.000004] rtnl_unlock+0xe/0x10 40 | [ +0.000003] default_device_exit_batch+0x147/0x170 41 | [ +0.000005] ? do_wait_intr_irq+0x90/0x90 42 | [ +0.000001] ops_exit_list.isra.6+0x52/0x60 43 | [ +0.000002] cleanup_net+0x1c8/0x2b0 44 | [ +0.000004] process_one_work+0x16b/0x4a0 45 | [ +0.000002] worker_thread+0x4b/0x500 46 | [ +0.000003] kthread+0x109/0x140 47 | [ +0.000001] ? process_one_work+0x4a0/0x4a0 48 | [ +0.000002] ? kthread_create_on_node+0x70/0x70 49 | [ +0.000004] ret_from_fork+0x25/0x30 50 | [ +0.000002] ---[ end trace 0e0e951d75698c2b ]--- 51 | [ +0.000002] Freeing alive inet6 device ffff935f40748000 52 | 53 | -------------------------------------------------------------------------------- /kernel-logs/kernoops-4.11.0-14.txt: -------------------------------------------------------------------------------- 1 | linux-image-4.11.0-14-generic=4.11.0-14.20~16.04.1 2 | 3 | [ +0.020598] BUG: unable to handle kernel paging request at 0000000100000062 4 | [ +0.007811] IP: kill_css+0x5/0x60 5 | [ +0.003422] PGD 0 6 | 7 | [ +0.003752] Oops: 0000 [#1] SMP 8 | [ +0.003252] Modules linked in: cmac arc4 md4 cifs ccm fscache xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 9 | nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc aufs ip6table_filter ip6_tables iptable_filter ip_tables x_tables ppdev in 10 | put_leds serio_raw parport_pc pvpanic parport ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 a 11 | sync_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_int 12 | el aes_x86_64 crypto_simd glue_helper cryptd psmouse virtio_net virtio_scsi 13 | [ +0.067622] CPU: 0 PID: 1 Comm: systemd Not tainted 4.11.0-14-generic #20~16.04.1-Ubuntu 14 | [ +0.008197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 15 | [ +0.009440] task: ffff94da2aef5a00 task.stack: ffffbcc58062c000 16 | [ +0.006040] RIP: 0010:kill_css+0x5/0x60 17 | [ +0.003941] RSP: 0018:ffffbcc58062fe28 EFLAGS: 00010206 18 | [ +0.005329] RAX: ffff94da292e2950 RBX: ffff94da292e28f0 RCX: ffff94da292e2960 19 | [ +0.007251] RDX: ffff94da292e2960 RSI: 0000000000000000 RDI: 00000000ffffffee 20 | [ +0.007261] RBP: ffffbcc58062fe50 R08: ffff94da2a068800 R09: ffff94da00281180 21 | [ +0.007239] R10: ffff94da0d93b03e R11: ffff94da00a15990 R12: ffff94da292e2800 22 | [ +0.007246] R13: 0000000000000000 R14: ffff94da292e2958 R15: 0000000000000000 23 | [ +0.007244] FS: 00007f51ae4d88c0(0000) GS:ffff94da2fc00000(0000) knlGS:0000000000000000 24 | [ +0.008209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 25 | [ +0.005953] CR2: 0000000100000062 CR3: 0000000129ef5000 CR4: 00000000001406f0 26 | [ +0.007267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 27 | [ +0.007249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 28 | [ +0.007334] Call Trace: 29 | [ +0.002561] ? cgroup_destroy_locked+0xa5/0xf0 30 | [ +0.004565] cgroup_rmdir+0x2c/0x90 31 | [ +0.003612] kernfs_iop_rmdir+0x4d/0x80 32 | [ +0.003962] vfs_rmdir+0xb4/0x130 33 | [ +0.003421] do_rmdir+0x1c7/0x1e0 34 | [ +0.003424] SyS_rmdir+0x16/0x20 35 | [ +0.003337] entry_SYSCALL_64_fastpath+0x1e/0xad 36 | [ +0.004729] RIP: 0033:0x7f51acac4ab7 37 | [ +0.003677] RSP: 002b:00007fffe3623a78 EFLAGS: 00000202 ORIG_RAX: 0000000000000054 38 | [ +0.007683] RAX: ffffffffffffffda RBX: 0000000000000010 RCX: 00007f51acac4ab7 39 | [ +0.007241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000ea64036ec0 40 | [ +0.007251] RBP: fffffffffffffe40 R08: 0000000000000100 R09: 0000000000000001 41 | [ +0.007238] R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000000 42 | [ +0.007244] R13: fffffffffffffe40 R14: 00007fffe3623950 R15: 000000ea64036ec0 43 | [ +0.007263] Code: ff 49 8b 44 24 08 48 8b 53 60 48 05 b8 00 00 00 48 8d 5a a0 48 39 c2 75 d8 5b 41 5c 41 5d 5d f3 c3 0f 1f 44 00 00 0f 1f 44 00 00 <8b> 47 74 a8 10 74 01 c3 44 | 55 83 c8 10 48 89 e5 53 48 89 fb 89 47 45 | [ +0.018998] RIP: kill_css+0x5/0x60 RSP: ffffbcc58062fe28 46 | [ +0.005422] CR2: 0000000100000062 47 | [ +0.003640] ---[ end trace 3e66f2480743b90c ]--- 48 | -------------------------------------------------------------------------------- /kernel-logs/kernoops-4.10.0-32.txt: -------------------------------------------------------------------------------- 1 | kernel package: linux-image-4.10.0-32-generic=4.10.0-32.36~16.04.1 2 | 3 | [ +8.970850] general protection fault: 0000 [#1] SMP 4 | [ +0.005011] Modules linked in: cmac arc4 md4 cifs ccm fscache veth xt_nat xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 5 | nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc aufs ip6table_filter ip6_tables iptable_filter ip_tables x_tables ppdev in 6 | put_leds serio_raw parport_pc parport pvpanic ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 a 7 | sync_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_int 8 | el aes_x86_64 crypto_simd glue_helper cryptd psmouse virtio_net virtio_scsi 9 | [ +0.067683] CPU: 0 PID: 1842 Comm: dockerd Not tainted 4.10.0-32-generic #36~16.04.1-Ubuntu 10 | [ +0.008483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 11 | [ +0.009445] task: ffff8f09e850da00 task.stack: ffffba3900f90000 12 | [ +0.006025] RIP: 0010:rb_erase+0x35/0x350 13 | [ +0.004107] RSP: 0018:ffffba3900f93798 EFLAGS: 00010286 14 | [ +0.005333] RAX: ffff8f09d216c3ee RBX: ffff8f09d20f9988 RCX: 8f09d20f98080000 15 | [ +0.007263] RDX: 8f09d20f98080000 RSI: ffff8f09d52cf648 RDI: ffff8f09d216c4e8 16 | [ +0.007336] RBP: ffffba3900f93798 R08: ffff8f09d216c528 R09: 0000000000000000 17 | [ +0.007238] R10: ffff8f09d216c608 R11: ffffffff90792d01 R12: ffff8f09d216c400 18 | [ +0.007321] R13: ffff8f09e977aa10 R14: ffff8f09d20b6000 R15: 0000000000000000 19 | [ +0.007253] FS: 00007f99d4c3c700(0000) GS:ffff8f09efc00000(0000) knlGS:0000000000000000 20 | [ +0.008197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 21 | [ +0.005931] CR2: 000000c8203bb000 CR3: 0000000128a8d000 CR4: 00000000001406f0 22 | [ +0.007340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ +0.007323] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 23 | [ +0.008110] Call Trace: 24 | [ +0.002562] erase_header+0x46/0x60 25 | [ +0.003599] drop_sysctl_table+0x6c/0xe0 26 | [ +0.004030] ? find_next_bit+0x15/0x20 27 | [ +0.003852] ? __snmp6_fill_stats64.isra.45+0x101/0x130 28 | [ +0.005332] unregister_sysctl_table+0x3e/0x90 29 | [ +0.004553] unregister_net_sysctl_table+0xe/0x10 30 | [ +0.004806] neigh_sysctl_unregister+0x23/0x30 31 | [ +0.004559] inetdev_event+0x1a6/0x4f0 32 | [ +0.003851] ? skb_dequeue+0x59/0x70 33 | [ +0.003675] notifier_call_chain+0x4a/0x70 34 | [ +0.004197] raw_notifier_call_chain+0x16/0x20 35 | [ +0.004543] call_netdevice_notifiers_info+0x35/0x60 36 | [ +0.005064] dev_change_net_namespace+0xcb/0x3e0 37 | [ +0.004719] ? ns_capable_common+0x68/0x80 38 | [ +0.004209] do_setlink+0xa7/0xdf0 39 | [ +0.003509] ? inet6_fill_link_af+0x1a/0x30 40 | [ +0.004288] ? skb_queue_tail+0x43/0x50 41 | [ +0.004161] ? __netlink_sendskb+0x3e/0x60 42 | [ +0.004195] ? nla_parse+0xa0/0x100 43 | [ +0.003586] rtnl_setlink+0x100/0x140 44 | [ +0.003764] ? has_capability+0x30/0x30 45 | [ +0.003936] rtnetlink_rcv_msg+0xe6/0x220 46 | [ +0.004111] ? __kmalloc_node_track_caller+0x1ef/0x2c0 47 | [ +0.005237] ? __alloc_skb+0x87/0x1e0 48 | [ +0.003770] ? rtnl_newlink+0x890/0x890 49 | [ +0.003935] netlink_rcv_skb+0xa4/0xc0 50 | [ +0.003847] rtnetlink_rcv+0x28/0x30 51 | [ +0.003675] netlink_unicast+0x18c/0x240 52 | [ +0.004019] netlink_sendmsg+0x2fb/0x3a0 53 | [ +0.004023] ? aa_sock_msg_perm+0x61/0x150 54 | [ +0.004196] sock_sendmsg+0x38/0x50 55 | [ +0.003586] SYSC_sendto+0x101/0x190 56 | [ +0.003681] ? putname+0x54/0x60 57 | [ +0.003326] ? do_sys_open+0x1b4/0x280 58 | [ +0.003851] SyS_sendto+0xe/0x10 59 | [ +0.003439] entry_SYSCALL_64_fastpath+0x1e/0xad 60 | [ +0.004714] RIP: 0033:0x6b9bfa 61 | [ +0.003152] RSP: 002b:000000c820ca7330 EFLAGS: 00000206 ORIG_RAX: 000000000000002c 62 | [ +0.007670] RAX: ffffffffffffffda RBX: 000000c8206e7200 RCX: 00000000006b9bfa 63 | [ +0.007240] RDX: 0000000000000028 RSI: 000000c820d6c510 RDI: 0000000000000009 64 | [ +0.007245] RBP: 0000000000000000 R08: 000000c82044d9f4 R09: 000000000000000c 65 | [ +0.007234] R10: 0000000000000000 R11: 0000000000000206 R12: 000000c820d6c390 66 | [ +0.007244] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000008 67 | [ +0.007237] Code: 89 e5 48 85 c9 0f 84 88 00 00 00 4d 85 c0 0f 84 b1 00 00 00 49 8b 50 10 4c 89 c0 48 85 d2 75 0b e9 28 02 00 00 48 89 d0 48 89 ca <48> 8b 4a 10 48 85 c9 75 68 | f1 4c 8b 4a 08 49 89 d2 4c 89 48 10 4c 69 | [ +0.019062] RIP: rb_erase+0x35/0x350 RSP: ffffba3900f93798 70 | [ +0.005643] ---[ end trace 4911a7d7bfc99863 ]--- 71 | 72 | -------------------------------------------------------------------------------- /kernel-logs/kernoops-4.10.0-37.txt: -------------------------------------------------------------------------------- 1 | linux-image-4.10.0-37-generic=4.10.0-37.41~16.04.1 2 | 3 | [ 1416.790240] device veth07520dd entered promiscuous mode 4 | [ 1416.790410] IPv6: ADDRCONF(NETDEV_UP): veth07520dd: link is not ready 5 | [ 1416.790412] docker0: port 2(veth07520dd) entered blocking state 6 | [ 1416.790421] docker0: port 2(veth07520dd) entered forwarding state 7 | [ 1417.603949] docker0: port 2(veth07520dd) entered disabled state 8 | [ 1426.787963] unregister_netdevice: waiting for lo to become free. Usage count = 1 9 | [ 1436.867939] unregister_netdevice: waiting for lo to become free. Usage count = 1 10 | [ 1446.947945] unregister_netdevice: waiting for lo to become free. Usage count = 1 11 | [ 1457.027961] unregister_netdevice: waiting for lo to become free. Usage count = 1 12 | [ 1467.107957] unregister_netdevice: waiting for lo to become free. Usage count = 1 13 | [ 1477.187956] unregister_netdevice: waiting for lo to become free. Usage count = 1 14 | [ 1487.267954] unregister_netdevice: waiting for lo to become free. Usage count = 1 15 | [ 1497.347964] unregister_netdevice: waiting for lo to become free. Usage count = 1 16 | [ 1507.427962] unregister_netdevice: waiting for lo to become free. Usage count = 1 17 | [ 1517.507966] unregister_netdevice: waiting for lo to become free. Usage count = 1 18 | [ 1527.587976] unregister_netdevice: waiting for lo to become free. Usage count = 1 19 | [ 1536.850880] docker0: port 2(veth07520dd) entered disabled state 20 | [ 1536.851241] BUG: unable to handle kernel NULL pointer dereference at (null) 21 | [ 1536.860273] IP: rb_erase+0x194/0x350 22 | [ 1536.863997] PGD 129319067 23 | [ 1536.863997] PUD 12922c067 24 | [ 1536.866804] PMD 0 25 | 26 | [ 1536.873320] Oops: 0000 [#1] SMP 27 | [ 1536.876580] Modules linked in: cmac arc4 md4 cifs ccm fscache xt_nat xt_tcpudp veth ipt_MASQUERADE nf_nat_masquerade_ipv4 xfrm_user xfrm_algo iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype xt_conntrack nf_nat nf_conntrack br_netfilter bridge stp llc aufs ip6table_filter ip6_tables iptable_filter ip_tables x_tables ppdev input_leds serio_raw pvpanic parport_pc parport ib_iser rdma_cm iw_cm ib_cm ib_core configfs iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc aesni_intel aes_x86_64 crypto_simd glue_helper cryptd psmouse virtio_net virtio_scsi 28 | [ 1536.943943] CPU: 0 PID: 3387 Comm: dockerd Not tainted 4.10.0-37-generic #41~16.04.1-Ubuntu 29 | [ 1536.952396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 30 | [ 1536.961719] task: ffff8cb8692b2d00 task.stack: ffffb88d81ca0000 31 | [ 1536.967745] RIP: 0010:rb_erase+0x194/0x350 32 | [ 1536.971943] RSP: 0018:ffffb88d81ca37e8 EFLAGS: 00010246 33 | [ 1536.977269] RAX: ffff8cb8532b67d0 RBX: ffff8cb8533352c8 RCX: 0000000000000000 34 | [ 1536.984510] RDX: 0000000000000000 RSI: ffff8cb8531f2e48 RDI: ffff8cb8532b6988 35 | [ 1536.991746] RBP: ffffb88d81ca37e8 R08: 0000000000000000 R09: ffff8cb8532b6a29 36 | [ 1536.998995] R10: ffff8cb8532b67d0 R11: ffffffff93d93200 R12: ffff8cb8532b6800 37 | [ 1537.006231] R13: ffff8cb85329a328 R14: ffff8cb85329a400 R15: ffff8cb85329a408 38 | [ 1537.013468] FS: 00007f42ae0e4700(0000) GS:ffff8cb86fc00000(0000) knlGS:0000000000000000 39 | [ 1537.021661] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 40 | [ 1537.027509] CR2: 0000000000000000 CR3: 0000000115459000 CR4: 00000000000406f0 41 | [ 1537.034753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 42 | [ 1537.041999] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 43 | [ 1537.049244] Call Trace: 44 | [ 1537.051805] erase_header+0x46/0x60 45 | [ 1537.055394] drop_sysctl_table+0x6c/0xe0 46 | [ 1537.059415] unregister_sysctl_table+0x3e/0x90 47 | [ 1537.063959] unregister_net_sysctl_table+0xe/0x10 48 | [ 1537.068773] neigh_sysctl_unregister+0x23/0x30 49 | [ 1537.073319] addrconf_ifdown+0x4c1/0x5e0 50 | [ 1537.077344] addrconf_notify+0x1f5/0xc00 51 | [ 1537.081543] ? _raw_spin_unlock_bh+0x1e/0x20 52 | [ 1537.085916] ? rt_flush_dev+0x41/0xd0 53 | [ 1537.089698] notifier_call_chain+0x4a/0x70 54 | [ 1537.093903] raw_notifier_call_chain+0x16/0x20 55 | [ 1537.098447] call_netdevice_notifiers_info+0x35/0x60 56 | [ 1537.103511] rollback_registered_many+0x2e6/0x420 57 | [ 1537.108316] unregister_netdevice_many+0x1e/0xb0 58 | [ 1537.113034] rtnl_delete_link+0x4b/0x70 59 | [ 1537.116980] rtnl_dellink+0xcb/0x1d0 60 | [ 1537.120667] ? ns_capable+0x13/0x20 61 | [ 1537.124343] rtnetlink_rcv_msg+0xe6/0x220 62 | [ 1537.128454] ? __kmalloc_node_track_caller+0x1ef/0x2c0 63 | [ 1537.133697] ? __alloc_skb+0x87/0x1e0 64 | [ 1537.137462] ? rtnl_newlink+0x890/0x890 65 | [ 1537.141408] netlink_rcv_skb+0xa4/0xc0 66 | [ 1537.145256] rtnetlink_rcv+0x28/0x30 67 | [ 1537.148948] netlink_unicast+0x18c/0x240 68 | [ 1537.152974] netlink_sendmsg+0x2fb/0x3a0 69 | [ 1537.157001] ? aa_sock_msg_perm+0x61/0x150 70 | [ 1537.161201] sock_sendmsg+0x38/0x50 71 | [ 1537.164790] SYSC_sendto+0x101/0x190 72 | [ 1537.168472] ? free_nsproxy+0x6d/0x90 73 | [ 1537.172238] ? switch_task_namespaces+0x5c/0x70 74 | [ 1537.176880] SyS_sendto+0xe/0x10 75 | [ 1537.180214] entry_SYSCALL_64_fastpath+0x1e/0xad 76 | [ 1537.184933] RIP: 0033:0x6b9bfa 77 | [ 1537.188088] RSP: 002b:000000c820c241a8 EFLAGS: 00000216 ORIG_RAX: 000000000000002c 78 | [ 1537.195756] RAX: ffffffffffffffda RBX: 000000c820673380 RCX: 00000000006b9bfa 79 | [ 1537.202990] RDX: 0000000000000020 RSI: 000000c8210ceec0 RDI: 000000000000000a 80 | [ 1537.210232] RBP: 0000000000000000 R08: 000000c8206af454 R09: 000000000000000c 81 | [ 1537.217474] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000395577cc 82 | [ 1537.224710] R13: 0000000ed18e32a0 R14: 0000000ed18e32a0 R15: 0000000002b53980 83 | [ 1537.231947] Code: 10 f6 c2 01 0f 84 d3 00 00 00 48 83 e2 fc 0f 84 1e ff ff ff 48 89 c1 48 89 d0 48 8b 50 08 48 39 ca 0f 85 71 ff ff ff 48 8b 50 10 02 01 75 3a 48 8b 7a 08 48 89 c1 48 83 c9 01 48 89 78 10 48 84 | [ 1537.250936] RIP: rb_erase+0x194/0x350 RSP: ffffb88d81ca37e8 85 | [ 1537.256608] CR2: 0000000000000000 86 | [ 1537.260171] ---[ end trace efac599fa59cc30f ]--- 87 | -------------------------------------------------------------------------------- /kernel-logs/kernoops-4.4.0-93.txt: -------------------------------------------------------------------------------- 1 | linux-image-4.4.0-93-generic=4.4.0-93.116~14.04.1 2 | 3 | Aug 31 17:27:34 fho-plat-729-1 kernel: [ 591.360933] unregister_netdevice: waiting for lo to become free. Usage count = 1 4 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.364968] INFO: task docker:1181 blocked for more than 120 seconds. 5 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.371568] Not tainted 4.4.0-93-generic #116~14.04.1-Ubuntu 6 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.377861] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 7 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385893] docker D ffff8800b5c07cc8 0 1181 1 0x00000000 8 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385898] ffff8800b5c07cc8 ffffffff81e13500 ffff8800bba7d400 ffff8800b5c08000 9 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385900] ffffffff81efa024 ffff8800bba7d400 00000000ffffffff ffffffff81efa028 10 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385902] ffff8800b5c07ce0 ffffffff8180a685 ffffffff81efa020 ffff8800b5c07cf0 11 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385903] Call Trace: 12 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385915] [] schedule+0x35/0x80 13 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385917] [] schedule_preempt_disabled+0xe/0x10 14 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385920] [] __mutex_lock_slowpath+0x95/0x110 15 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385925] [] ? net_alloc_generic+0x21/0x30 16 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385926] [] mutex_lock+0x1f/0x2f 17 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385928] [] copy_net_ns+0x6e/0x120 18 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385932] [] create_new_namespaces+0x11f/0x1b0 19 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385934] [] copy_namespaces+0x73/0xa0 20 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385938] [] copy_process+0x918/0x1cb0 21 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385940] [] _do_fork+0x8a/0x310 22 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385942] [] SyS_clone+0x19/0x20 23 | Aug 31 17:27:43 fho-plat-729-1 kernel: [ 600.385943] [] entry_SYSCALL_64_fastpath+0x16/0x75 24 | [..] 25 | Aug 31 17:31:28 fho-plat-729-1 kernel: [ 825.849254] unregister_netdevice: waiting for lo to become free. Usage count = 1 26 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901258] ------------[ cut here ]------------ 27 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901268] WARNING: CPU: 0 PID: 2613 at /build/linux-lts-xenial-AsqcmJ/linux-lts-xenial-4.4.0/net/ipv6/addrconf_core.c:159 in6_dev_finish_destroy+0x6b/0xb0() 28 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901269] Modules linked in: cmac arc4 md4 nls_utf8 cifs fscache veth xt_nat xt_tcpudp ip6table_filter ip6_tables xt_addrtype xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables x_tables nf_nat nf_conntrack bridge stp llc aufs dm_crypt ppdev input_leds serio_raw parport_pc 8250_fintek parport pvpanic mac_hid i2c_piix4 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse virtio_scsi 29 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901298] CPU: 0 PID: 2613 Comm: kworker/u2:0 Not tainted 4.4.0-93-generic #116~14.04.1-Ubuntu 30 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 31 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901304] Workqueue: netns cleanup_net 32 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901305] 0000000000000000 ffff8800ba1bbbb8 ffffffff813de91c 0000000000000000 33 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901307] ffffffff81d7ae98 ffff8800ba1bbbf0 ffffffff8107ea26 ffff8800b7032800 34 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901308] ffff8800b7033000 0000000000000006 ffff8800ba1bbcc0 0000000000000000 35 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901310] Call Trace: 36 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901315] [] dump_stack+0x63/0x87 37 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901318] [] warn_slowpath_common+0x86/0xc0 38 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901320] [] warn_slowpath_null+0x1a/0x20 39 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901326] [] in6_dev_finish_destroy+0x6b/0xb0 40 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901329] [] ip6_route_dev_notify+0x110/0x130 41 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901333] [] notifier_call_chain+0x49/0x70 42 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901335] [] raw_notifier_call_chain+0x16/0x20 43 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901337] [] call_netdevice_notifiers_info+0x35/0x60 44 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901339] [] netdev_run_todo+0x157/0x300 45 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901341] [] rtnl_unlock+0xe/0x10 46 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901343] [] default_device_exit_batch+0x138/0x150 47 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901346] [] ? __wake_up_sync+0x20/0x20 48 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901348] [] ops_exit_list.isra.4+0x52/0x60 49 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901349] [] cleanup_net+0x1b3/0x280 50 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901353] [] process_one_work+0x150/0x3f0 51 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901354] [] worker_thread+0x11a/0x470 52 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901358] [] ? __schedule+0x359/0x980 53 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901360] [] ? rescuer_thread+0x310/0x310 54 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901361] [] kthread+0xd6/0xf0 55 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901363] [] ? kthread_park+0x60/0x60 56 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901365] [] ret_from_fork+0x3f/0x70 57 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901366] [] ? kthread_park+0x60/0x60 58 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901367] ---[ end trace 9803b1955a90c879 ]--- 59 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901368] ------------[ cut here ]------------ 60 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901370] WARNING: CPU: 0 PID: 2613 at /build/linux-lts-xenial-AsqcmJ/linux-lts-xenial-4.4.0/net/ipv6/addrconf_core.c:160 in6_dev_finish_destroy+0xa4/0xb0() 61 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901370] Modules linked in: cmac arc4 md4 nls_utf8 cifs fscache veth xt_nat xt_tcpudp ip6table_filter ip6_tables xt_addrtype xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables x_tables nf_nat nf_conntrack bridge stp llc aufs dm_crypt ppdev input_leds serio_raw parport_pc 8250_fintek parport pvpanic mac_hid i2c_piix4 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse virtio_scsi 62 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901383] CPU: 0 PID: 2613 Comm: kworker/u2:0 Tainted: G W 4.4.0-93-generic #116~14.04.1-Ubuntu 63 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 64 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901385] Workqueue: netns cleanup_net 65 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901386] 0000000000000000 ffff8800ba1bbbb8 ffffffff813de91c 0000000000000000 66 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901387] ffffffff81d7ae98 ffff8800ba1bbbf0 ffffffff8107ea26 ffff8800b7032800 67 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901388] ffff8800b7033000 0000000000000006 ffff8800ba1bbcc0 0000000000000000 68 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901390] Call Trace: 69 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901391] [] dump_stack+0x63/0x87 70 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901393] [] warn_slowpath_common+0x86/0xc0 71 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901394] [] warn_slowpath_null+0x1a/0x20 72 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901396] [] in6_dev_finish_destroy+0xa4/0xb0 73 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901397] [] ip6_route_dev_notify+0x110/0x130 74 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901398] [] notifier_call_chain+0x49/0x70 75 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901400] [] raw_notifier_call_chain+0x16/0x20 76 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901402] [] call_netdevice_notifiers_info+0x35/0x60 77 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901403] [] netdev_run_todo+0x157/0x300 78 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901404] [] rtnl_unlock+0xe/0x10 79 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901406] [] default_device_exit_batch+0x138/0x150 80 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901407] [] ? __wake_up_sync+0x20/0x20 81 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901409] [] ops_exit_list.isra.4+0x52/0x60 82 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901410] [] cleanup_net+0x1b3/0x280 83 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901412] [] process_one_work+0x150/0x3f0 84 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901414] [] worker_thread+0x11a/0x470 85 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901416] [] ? __schedule+0x359/0x980 86 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901417] [] ? rescuer_thread+0x310/0x310 87 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901418] [] kthread+0xd6/0xf0 88 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901420] [] ? kthread_park+0x60/0x60 89 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901421] [] ret_from_fork+0x3f/0x70 90 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901422] [] ? kthread_park+0x60/0x60 91 | Aug 31 17:31:30 fho-plat-729-1 kernel: [ 827.901423] ---[ end trace 9803b1955a90c87a ]--- 92 | Aug 31 17:31:38 fho-plat-729-1 kernel: [ 836.105303] unregister_netdevice: waiting for lo to become free. Usage count = 1 93 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.385285] INFO: task docker:2791 blocked for more than 120 seconds. 94 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.391913] Tainted: G W 4.4.0-93-generic #116~14.04.1-Ubuntu 95 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.399467] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 96 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407443] docker D ffff8800b993fcc8 0 2791 1 0x00000000 97 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407451] ffff8800b993fcc8 ffff8800badf6200 ffff8800bae1d400 ffff8800b9940000 98 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407454] ffffffff81efa024 ffff8800bae1d400 00000000ffffffff ffffffff81efa028 99 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407455] ffff8800b993fce0 ffffffff8180a685 ffffffff81efa020 ffff8800b993fcf0 100 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407457] Call Trace: 101 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407468] [] schedule+0x35/0x80 102 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407470] [] schedule_preempt_disabled+0xe/0x10 103 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407473] [] __mutex_lock_slowpath+0x95/0x110 104 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407478] [] ? net_alloc_generic+0x21/0x30 105 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407480] [] mutex_lock+0x1f/0x2f 106 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407482] [] copy_net_ns+0x6e/0x120 107 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407486] [] create_new_namespaces+0x11f/0x1b0 108 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407488] [] copy_namespaces+0x73/0xa0 109 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407492] [] copy_process+0x918/0x1cb0 110 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407494] [] _do_fork+0x8a/0x310 111 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407495] [] SyS_clone+0x19/0x20 112 | Aug 31 17:31:43 fho-plat-729-1 kernel: [ 840.407497] [] entry_SYSCALL_64_fastpath+0x16/0x75 113 | Aug 31 17:31:49 fho-plat-729-1 kernel: [ 846.349284] unregister_netdevice: waiting for lo to become free. Usage count = 1 114 | [..] 115 | Aug 31 17:35:39 fho-plat-729-1 kernel: [ 1076.733477] unregister_netdevice: waiting for lo to become free. Usage count = 1 116 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.405438] INFO: task docker:1987 blocked for more than 120 seconds. 117 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.412040] Tainted: G W 4.4.0-93-generic #116~14.04.1-Ubuntu 118 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.419583] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. 119 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427532] docker D ffff8800b6ca3cc8 0 1987 1 0x00000000 120 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427538] ffff8800b6ca3cc8 ffffffff81e13500 ffff8800bad31c00 ffff8800b6ca4000 121 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427540] ffffffff81efa024 ffff8800bad31c00 00000000ffffffff ffffffff81efa028 122 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427542] ffff8800b6ca3ce0 ffffffff8180a685 ffffffff81efa020 ffff8800b6ca3cf0 123 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427543] Call Trace: 124 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427554] [] schedule+0x35/0x80 125 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427557] [] schedule_preempt_disabled+0xe/0x10 126 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427559] [] __mutex_lock_slowpath+0x95/0x110 127 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427564] [] ? net_alloc_generic+0x21/0x30 128 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427566] [] mutex_lock+0x1f/0x2f 129 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427567] [] copy_net_ns+0x6e/0x120 130 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427572] [] create_new_namespaces+0x11f/0x1b0 131 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427573] [] copy_namespaces+0x73/0xa0 132 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427577] [] copy_process+0x918/0x1cb0 133 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427579] [] _do_fork+0x8a/0x310 134 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427581] [] SyS_clone+0x19/0x20 135 | Aug 31 17:35:43 fho-plat-729-1 kernel: [ 1080.427582] [] entry_SYSCALL_64_fastpath+0x16/0x75 136 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.644643] device veth6d1a1ad entered promiscuous mode 137 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.644971] IPv6: ADDRCONF(NETDEV_UP): veth6d1a1ad: link is not ready 138 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.657426] eth0: renamed from veth14ccfd2 139 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.658576] IPv6: ADDRCONF(NETDEV_CHANGE): veth6d1a1ad: link becomes ready 140 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.658601] docker0: port 2(veth6d1a1ad) entered forwarding state 141 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.658618] docker0: port 2(veth6d1a1ad) entered forwarding state 142 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.723589] docker0: port 2(veth6d1a1ad) entered disabled state 143 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.724046] device veth6d1a1ad left promiscuous mode 144 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.724048] docker0: port 2(veth6d1a1ad) entered disabled state 145 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.724157] general protection fault: 0000 [#1] SMP 146 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.729494] Modules linked in: cmac arc4 md4 nls_utf8 cifs fscache veth xt_nat xt_tcpudp ip6table_filter ip6_tables xt_addrtype xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 iptable_filter ip_tables x_tables nf_nat nf_conntrack bridge stp llc aufs dm_crypt ppdev input_leds serio_raw parport_pc 8250_fintek parport pvpanic mac_hid i2c_piix4 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse virtio_scsi 147 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.782930] CPU: 0 PID: 2613 Comm: kworker/u2:0 Tainted: G W 4.4.0-93-generic #116~14.04.1-Ubuntu 148 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.793042] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 149 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.802376] Workqueue: netns cleanup_net 150 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.806522] task: ffff8800b5cf0000 ti: ffff8800ba1b8000 task.ti: ffff8800ba1b8000 151 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.814115] RIP: 0010:[] [] count_subheaders+0x16/0x70 152 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.822702] RSP: 0018:ffff8800ba1bbb60 EFLAGS: 00010206 153 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.828147] RAX: 0000000000000000 RBX: 3120313320677541 RCX: ffffffff81f3b580 154 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.835384] RDX: ffffffff81e54f80 RSI: ffffffff8177bdf0 RDI: 3120313320677541 155 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.842622] RBP: ffff8800ba1bbb78 R08: 000000000000001f R09: 0000000000000400 156 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.849861] R10: ffff8800b5cca380 R11: ffffea0004a54500 R12: ffff8800b6cbf400 157 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.857102] R13: ffff8800b6cbf410 R14: ffff8800bbbbf000 R15: 0000000000000000 158 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.864352] FS: 0000000000000000(0000) GS:ffff88012fc00000(0000) knlGS:0000000000000000 159 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.872564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 160 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.878446] CR2: 00000088a154dee6 CR3: 00000000badd3000 CR4: 00000000001406f0 161 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.885865] Stack: 162 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.887982] ffff8800b7032800 ffff8800b6cbf400 ffff8800b6cbf410 ffff8800ba1bbba8 163 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.895949] ffffffff81277206 ffff8800b5cfb800 ffff8800b6cbf400 ffff8800b6cbf410 164 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.903916] ffff8800bbbbf000 ffff8800ba1bbbb8 ffffffff8180013e ffff8800ba1bbbd0 165 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.911994] Call Trace: 166 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.914558] [] unregister_sysctl_table+0x26/0x90 167 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.920939] [] unregister_net_sysctl_table+0xe/0x10 168 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.927574] [] __devinet_sysctl_unregister.isra.21+0x21/0x30 169 | Aug 31 17:35:44 fho-plat-729-1 kernel: [ 1081.935023] [] inetdev_event+0x1a0/0x500 170 | 171 | --------------------------------------------------------------------------------