====================================== | [ 347.145540][ T11] br0: port 1(vtep-host) entered disabled state | [ 347.450705][ T11] ------------[ cut here ]------------ | [ 347.450899][ T11] WARNING: CPU: 3 PID: 11 at net/core/rtnetlink.c:135 __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) | [ 347.451167][ T11] Modules linked in: vxlan ip6_udp_tunnel udp_tunnel 8021q xt_REDIRECT xt_nat nf_log_syslog nft_log nft_masq nft_redir nft_chain_nat nf_nat nft_fib_inet nft_fib_ipv4 nft_fib_ipv6 nft_fib ip6t_rpfilter ipt_rpfilter dummy tcp_diag nfnetlink_queue nft_queue nft_ct br_netfilter nft_quota ipip ip_vs_rr bridge stp llc ip_vs inet_diag nft_tproxy nf_tproxy_ipv6 nf_tproxy_ipv4 veth nf_conntrack_netlink xt_conntrack nft_compat nf_tables nf_conntrack libcrc32c nf_defrag_ipv6 nf_defrag_ipv4 tun [ 347.452888][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 347.453089][ T11] Workqueue: netns cleanup_net [ 347.453258][ T11] RIP: 0010:__rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 347.453430][ T11] Code: ff 31 d2 be 8f 00 00 00 48 c7 c7 60 34 d7 a1 e8 3a 3f f3 fd e8 05 ad 72 00 48 85 db 75 c4 48 83 c4 08 5b 5d c3 cc cc cc cc 90 <0f> 0b 90 eb 8e 48 89 f7 48 89 34 24 e8 53 dd 71 fe 48 8b 34 24 eb All code ======== 0: ff 31 push (%rcx) 2: d2 be 8f 00 00 00 sarb %cl,0x8f(%rsi) 8: 48 c7 c7 60 34 d7 a1 mov $0xffffffffa1d73460,%rdi f: e8 3a 3f f3 fd call 0xfffffffffdf33f4e 14: e8 05 ad 72 00 call 0x72ad1e 19: 48 85 db test %rbx,%rbx 1c: 75 c4 jne 0xffffffffffffffe2 1e: 48 83 c4 08 add $0x8,%rsp 22: 5b pop %rbx 23: 5d pop %rbp 24: c3 ret 25: cc int3 26: cc int3 27: cc int3 28: cc int3 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 90 nop 2d: eb 8e jmp 0xffffffffffffffbd 2f: 48 89 f7 mov %rsi,%rdi 32: 48 89 34 24 mov %rsi,(%rsp) 36: e8 53 dd 71 fe call 0xfffffffffe71dd8e 3b: 48 8b 34 24 mov (%rsp),%rsi 3f: eb .byte 0xeb Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 90 nop 3: eb 8e jmp 0xffffffffffffff93 5: 48 89 f7 mov %rsi,%rdi 8: 48 89 34 24 mov %rsi,(%rsp) c: e8 53 dd 71 fe call 0xfffffffffe71dd64 11: 48 8b 34 24 mov (%rsp),%rsi 15: eb .byte 0xeb [ 347.453972][ T11] RSP: 0018:ffffc900000b79c0 EFLAGS: 00010287 [ 347.454168][ T11] RAX: ffff88800bac95b0 RBX: ffff888001a82300 RCX: ffffffffa15048aa [ 347.454402][ T11] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff88800dbc1178 [ 347.454647][ T11] RBP: ffff88800dbc11b8 R08: 0000000000000001 R09: fffff52000016f12 [ 347.454872][ T11] R10: ffffc900000b7897 R11: ffff888001a82300 R12: ffffc900000b7b40 [ 347.455096][ T11] R13: 0000000000000000 R14: dffffc0000000000 R15: ffffc900000b7a70 [ 347.455331][ T11] FS: 0000000000000000(0000) GS:ffff888036180000(0000) knlGS:0000000000000000 [ 347.455600][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 347.455792][ T11] CR2: 000055f375633548 CR3: 0000000029326001 CR4: 0000000000772ef0 [ 347.456018][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 347.456246][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 347.456479][ T11] PKRU: 55555554 [ 347.456604][ T11] Call Trace: [ 347.456718][ T11] [ 347.456802][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 347.456956][ T11] ? __warn (kernel/panic.c:748) [ 347.457073][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 347.457354][ T11] ? report_bug (lib/bug.c:201 lib/bug.c:219) [ 347.457512][ T11] ? handle_bug (arch/x86/kernel/traps.c:285) [ 347.457642][ T11] ? exc_invalid_op (arch/x86/kernel/traps.c:309 (discriminator 1)) [ 347.457807][ T11] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:621) [ 347.458135][ T11] ? __mutex_unlock_slowpath (./arch/x86/include/asm/atomic64_64.h:101 ./include/linux/atomic/atomic-arch-fallback.h:4329 ./include/linux/atomic/atomic-long.h:1506 ./include/linux/atomic/atomic-instrumented.h:4481 kernel/locking/mutex.c:913) [ 347.458312][ T11] ? __rtnl_unlock (net/core/rtnetlink.c:135 (discriminator 1)) [ 347.458470][ T11] unregister_netdevice_many_notify (net/core/dev.c:11453 net/core/dev.c:11638) [ 347.458671][ T11] ? __pfx_unregister_netdevice_many_notify (net/core/dev.c:11536) [ 347.458856][ T11] ? default_device_exit_batch (net/core/dev.c:12133) [ 347.459019][ T11] ? rtnl_is_locked (net/core/rtnetlink.c:163) [ 347.459243][ T11] ? unregister_netdevice_queue (net/core/dev.c:11521) [ 347.459444][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 347.459633][ T11] ? __pfx_unregister_netdevice_queue (net/core/dev.c:11520) [ 347.459828][ T11] default_device_exit_batch (net/core/dev.c:12147) [ 347.459979][ T11] ? __pfx_default_device_exit_batch (net/core/dev.c:12122) [ 347.460172][ T11] ? ip_vs_sync_net_cleanup (net/netfilter/ipvs/ip_vs_sync.c:2038) ip_vs [ 347.460385][ T11] cleanup_net (net/core/net_namespace.c:651 (discriminator 3)) [ 347.460540][ T11] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) [ 347.460696][ T11] ? __pfx_cleanup_net (net/core/net_namespace.c:594) [ 347.460841][ T11] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) [ 347.460994][ T11] ? lock_acquire (kernel/locking/lockdep.c:5822) [ 347.461142][ T11] ? process_one_work (kernel/workqueue.c:3205) [ 347.461311][ T11] process_one_work (kernel/workqueue.c:3229) [ 347.461470][ T11] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) [ 347.461627][ T11] ? __pfx_process_one_work (kernel/workqueue.c:3131) [ 347.461790][ T11] ? assign_work (kernel/workqueue.c:1200) [ 347.461950][ T11] worker_thread (kernel/workqueue.c:3304 kernel/workqueue.c:3391) [ 347.462116][ T11] ? __pfx_worker_thread (kernel/workqueue.c:3337) [ 347.462265][ T11] kthread (kernel/kthread.c:389) [ 347.462388][ T11] ? __pfx_kthread (kernel/kthread.c:342) [ 347.462546][ T11] ret_from_fork (arch/x86/kernel/process.c:147) [ 347.462697][ T11] ? __pfx_kthread (kernel/kthread.c:342) Finger prints: __rtnl_unlock:unregister_netdevice_many_notify:default_device_exit_batch:cleanup_net:process_one_work