[ 15.463512][ T328] br1: port 1(vx10) entered blocking state [ 15.463990][ T328] br1: port 1(vx10) entered disabled state [ 15.464449][ T328] vx10: entered allmulticast mode [ 15.466441][ T328] vx10: entered promiscuous mode [ 15.467576][ T328] br1: port 1(vx10) entered blocking state [ 15.468084][ T328] br1: port 1(vx10) entered forwarding state [ 15.822741][ T333] br1: port 2(vx20) entered blocking state [ 15.823554][ T333] br1: port 2(vx20) entered disabled state [ 15.823919][ T333] vx20: entered allmulticast mode [ 15.826085][ T333] vx20: entered promiscuous mode [ 15.827222][ T333] br1: port 2(vx20) entered blocking state [ 15.827587][ T333] br1: port 2(vx20) entered forwarding state [ 16.025416][ T335] br1: port 3(veth1) entered blocking state [ 16.025816][ T335] br1: port 3(veth1) entered disabled state [ 16.033952][ T335] veth1: entered allmulticast mode [ 16.036940][ T335] veth1: entered promiscuous mode [ 16.122411][ T126] br1: port 3(veth1) entered blocking state [ 16.122867][ T126] br1: port 3(veth1) entered forwarding state [ 16.290404][ T338] br1: port 4(veth2) entered blocking state [ 16.290761][ T338] br1: port 4(veth2) entered disabled state [ 16.291143][ T338] veth2: entered allmulticast mode [ 16.293129][ T338] veth2: entered promiscuous mode [ 16.384281][ T41] br1: port 4(veth2) entered blocking state [ 16.384594][ T41] br1: port 4(veth2) entered forwarding state [ 17.076233][ T349] 8021q: 802.1Q VLAN Support v1.8 [ 17.348787][ T352] br1: entered promiscuous mode [ 17.351546][ T352] br1: left promiscuous mode [ 17.365731][ T352] br1: entered promiscuous mode [ 22.783658][ T430] br1: port 1(vx10) entered blocking state [ 22.783974][ T430] br1: port 1(vx10) entered disabled state [ 22.784284][ T430] vx10: entered allmulticast mode [ 22.786831][ T430] vx10: entered promiscuous mode [ 22.787697][ T430] br1: port 1(vx10) entered blocking state [ 22.788010][ T430] br1: port 1(vx10) entered forwarding state [ 23.140983][ T434] br1: port 2(vx20) entered blocking state [ 23.141282][ T434] br1: port 2(vx20) entered disabled state [ 23.148007][ T434] vx20: entered allmulticast mode [ 23.150445][ T434] vx20: entered promiscuous mode [ 23.150979][ T434] br1: port 2(vx20) entered blocking state [ 23.151255][ T434] br1: port 2(vx20) entered forwarding state [ 23.311821][ T436] br1: port 3(w1) entered blocking state [ 23.312068][ T436] br1: port 3(w1) entered disabled state [ 23.312295][ T436] w1: entered allmulticast mode [ 23.314150][ T436] w1: entered promiscuous mode [ 23.394671][ T69] br1: port 3(w1) entered blocking state [ 23.394937][ T69] br1: port 3(w1) entered forwarding state [ 23.547765][ T439] br1: port 4(w3) entered blocking state [ 23.548003][ T439] br1: port 4(w3) entered disabled state [ 23.548240][ T439] w3: entered allmulticast mode [ 23.550247][ T439] w3: entered promiscuous mode [ 23.625797][ T41] br1: port 4(w3) entered blocking state [ 23.626091][ T41] br1: port 4(w3) entered forwarding state [ 24.466543][ T449] br1: entered promiscuous mode [ 24.468890][ T449] br1: left promiscuous mode [ 24.484846][ T449] br1: entered promiscuous mode [ 25.060865][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.062713][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.955659][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.147973][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.149320][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.851730][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 30.051884][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 37.925375][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 49.597525][ T673] GACT probability NOT on [ 49.681582][ T674] [ 49.681823][ T674] ============================= [ 49.681987][ T674] WARNING: suspicious RCU usage [ 49.682224][ T674] 6.14.0-rc6-virtme #1 Not tainted [ 49.682386][ T674] ----------------------------- [ 49.682551][ T674] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 49.682861][ T674] [ 49.682861][ T674] other info that might help us debug this: [ 49.682861][ T674] [ 49.683175][ T674] [ 49.683175][ T674] rcu_scheduler_active = 2, debug_locks = 1 [ 49.683411][ T674] 1 lock held by arping/674: [ 49.683576][ T674] #0: ffffffff9395b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 49.683872][ T674] [ 49.683872][ T674] stack backtrace: [ 49.684080][ T674] CPU: 0 UID: 0 PID: 674 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 49.684084][ T674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.684086][ T674] Call Trace: [ 49.684087][ T674] [ 49.684090][ T674] dump_stack_lvl+0xb0/0xd0 [ 49.684097][ T674] lockdep_rcu_suspicious+0x1ea/0x280 [ 49.684108][ T674] dev_hard_start_xmit+0x2fc/0x3f0 [ 49.684118][ T674] __dev_queue_xmit+0xfaf/0x18d0 [ 49.684132][ T674] ? __pfx___dev_queue_xmit+0x10/0x10 [ 49.684136][ T674] ? packet_parse_headers+0x231/0x9c0 [ 49.684145][ T674] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 49.684151][ T674] ? __pfx_packet_parse_headers+0x10/0x10 [ 49.684155][ T674] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 49.684161][ T674] ? dev_get_by_index+0xb2/0x190 [ 49.684172][ T674] packet_snd+0xd0c/0x19d0 [ 49.684183][ T674] ? __lock_release+0x103/0x460 [ 49.684187][ T674] ? __might_fault+0x11b/0x170 [ 49.684194][ T674] ? __pfx_packet_snd+0x10/0x10 [ 49.684196][ T674] ? trace_lock_acquire+0x14c/0x1f0 [ 49.684198][ T674] ? __pfx___lock_release+0x10/0x10 [ 49.684205][ T674] ? lock_acquire+0x32/0xc0 [ 49.684212][ T674] ? __might_fault+0x11b/0x170 [ 49.684223][ T674] __sys_sendto+0x3c3/0x450 [ 49.684229][ T674] ? __pfx___sys_sendto+0x10/0x10 [ 49.684240][ T674] ? __lock_release+0x103/0x460 [ 49.684245][ T674] ? __pfx___lock_release+0x10/0x10 [ 49.684254][ T674] ? __pfx___up_read+0x10/0x10 [ 49.684262][ T674] ? do_user_addr_fault+0x374/0xe30 [ 49.684272][ T674] ? do_user_addr_fault+0x374/0xe30 [ 49.684278][ T674] __x64_sys_sendto+0xe0/0x1c0 [ 49.684282][ T674] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 49.684287][ T674] do_syscall_64+0xc1/0x1d0 [ 49.684295][ T674] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.684300][ T674] RIP: 0033:0x7f0626e38a4a [ 49.684304][ T674] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb b8 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 15 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 7e c3 0f 1f 44 00 00 41 54 48 83 ec 30 44 89 [ 49.684307][ T674] RSP: 002b:00007ffffe8225f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.684310][ T674] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f0626e38a4a [ 49.684312][ T674] RDX: 000000000000001c RSI: 00007ffffe822610 RDI: 0000000000000005 [ 49.684314][ T674] RBP: 00007ffffe822760 R08: 00007ffffe823bc0 R09: 0000000000000014 [ 49.684315][ T674] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffffe823e98 [ 49.684317][ T674] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f0626f3e000 [ 49.684333][ T674] [ 53.283554][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 54.516339][ T66] w3: left allmulticast mode [ 54.516666][ T66] w3: left promiscuous mode [ 54.517010][ T66] br1: port 4(w3) entered disabled state [ 54.519520][ T66] w1: left allmulticast mode [ 54.519718][ T66] w1: left promiscuous mode [ 54.520076][ T66] br1: port 3(w1) entered disabled state [ 54.522908][ T66] vx20: left allmulticast mode [ 54.523166][ T66] vx20: left promiscuous mode [ 54.523496][ T66] br1: port 2(vx20) entered disabled state [ 54.525260][ T66] vx10: left allmulticast mode [ 54.525448][ T66] vx10: left promiscuous mode [ 54.525738][ T66] br1: port 1(vx10) entered disabled state [ 56.356754][ T806] br1: left promiscuous mode [ 56.964156][ T812] br1: port 4(veth2) entered disabled state [ 57.049558][ T813] veth2: left allmulticast mode [ 57.049790][ T813] veth2: left promiscuous mode [ 57.050125][ T813] br1: port 4(veth2) entered disabled state [ 57.190604][ T815] br1: port 3(veth1) entered disabled state [ 57.266795][ T816] veth1: left allmulticast mode [ 57.267074][ T816] veth1: left promiscuous mode [ 57.267404][ T816] br1: port 3(veth1) entered disabled state [ 57.412679][ T818] vx20: left allmulticast mode [ 57.412953][ T818] vx20: left promiscuous mode [ 57.413299][ T818] br1: port 2(vx20) entered disabled state [ 57.756401][ T822] vx10: left allmulticast mode [ 57.756630][ T822] vx10: left promiscuous mode [ 57.756933][ T822] br1: port 1(vx10) entered disabled state