[ 16.445575][ T330] br1: port 1(vx10) entered blocking state [ 16.446090][ T330] br1: port 1(vx10) entered disabled state [ 16.446543][ T330] vx10: entered allmulticast mode [ 16.449124][ T330] vx10: entered promiscuous mode [ 16.450122][ T330] br1: port 1(vx10) entered blocking state [ 16.450508][ T330] br1: port 1(vx10) entered forwarding state [ 16.458353][ T330] ip (330) used greatest stack depth: 24304 bytes left [ 16.624640][ T332] ip (332) used greatest stack depth: 23728 bytes left [ 16.791065][ T335] br1: port 2(vx20) entered blocking state [ 16.791405][ T335] br1: port 2(vx20) entered disabled state [ 16.791697][ T335] vx20: entered allmulticast mode [ 16.793619][ T335] vx20: entered promiscuous mode [ 16.794805][ T335] br1: port 2(vx20) entered blocking state [ 16.795103][ T335] br1: port 2(vx20) entered forwarding state [ 16.977836][ T337] br1: port 3(veth1) entered blocking state [ 16.978194][ T337] br1: port 3(veth1) entered disabled state [ 16.978494][ T337] veth1: entered allmulticast mode [ 16.980496][ T337] veth1: entered promiscuous mode [ 17.071858][ T41] br1: port 3(veth1) entered blocking state [ 17.072563][ T41] br1: port 3(veth1) entered forwarding state [ 17.255216][ T340] br1: port 4(veth2) entered blocking state [ 17.255501][ T340] br1: port 4(veth2) entered disabled state [ 17.255819][ T340] veth2: entered allmulticast mode [ 17.257788][ T340] veth2: entered promiscuous mode [ 17.341733][ T41] br1: port 4(veth2) entered blocking state [ 17.342035][ T41] br1: port 4(veth2) entered forwarding state [ 18.086709][ T350] 8021q: 802.1Q VLAN Support v1.8 [ 18.379253][ T354] br1: entered promiscuous mode [ 18.382376][ T354] br1: left promiscuous mode [ 18.392133][ T354] br1: entered promiscuous mode [ 24.131337][ T432] br1: port 1(vx10) entered blocking state [ 24.131643][ T432] br1: port 1(vx10) entered disabled state [ 24.131924][ T432] vx10: entered allmulticast mode [ 24.134022][ T432] vx10: entered promiscuous mode [ 24.134878][ T432] br1: port 1(vx10) entered blocking state [ 24.135131][ T432] br1: port 1(vx10) entered forwarding state [ 24.507015][ T436] br1: port 2(vx20) entered blocking state [ 24.507349][ T436] br1: port 2(vx20) entered disabled state [ 24.507632][ T436] vx20: entered allmulticast mode [ 24.509568][ T436] vx20: entered promiscuous mode [ 24.510096][ T436] br1: port 2(vx20) entered blocking state [ 24.510373][ T436] br1: port 2(vx20) entered forwarding state [ 24.720403][ T438] br1: port 3(w1) entered blocking state [ 24.720759][ T438] br1: port 3(w1) entered disabled state [ 24.721161][ T438] w1: entered allmulticast mode [ 24.725084][ T438] w1: entered promiscuous mode [ 24.853332][ T351] br1: port 3(w1) entered blocking state [ 24.853698][ T351] br1: port 3(w1) entered forwarding state [ 25.016092][ T441] br1: port 4(w3) entered blocking state [ 25.017359][ T441] br1: port 4(w3) entered disabled state [ 25.017646][ T441] w3: entered allmulticast mode [ 25.019662][ T441] w3: entered promiscuous mode [ 25.099855][ T39] br1: port 4(w3) entered blocking state [ 25.100090][ T39] br1: port 4(w3) entered forwarding state [ 25.959720][ T451] br1: entered promiscuous mode [ 25.962298][ T451] br1: left promiscuous mode [ 25.975597][ T451] br1: entered promiscuous mode [ 26.785854][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.788064][ C2] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 26.789000][ C2] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 27.018799][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 27.020062][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 27.020922][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 27.146237][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 27.441713][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 30.986133][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 38.857618][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 51.314372][ T675] GACT probability NOT on [ 51.416569][ T676] [ 51.416932][ T676] ============================= [ 51.417243][ T676] WARNING: suspicious RCU usage [ 51.417502][ T676] 6.14.0-rc6-virtme #1 Not tainted [ 51.417714][ T676] ----------------------------- [ 51.417908][ T676] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 51.418268][ T676] [ 51.418268][ T676] other info that might help us debug this: [ 51.418268][ T676] [ 51.418615][ T676] [ 51.418615][ T676] rcu_scheduler_active = 2, debug_locks = 1 [ 51.418889][ T676] 1 lock held by arping/676: [ 51.419070][ T676] #0: ffffffffa8d5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 51.419465][ T676] [ 51.419465][ T676] stack backtrace: [ 51.419722][ T676] CPU: 3 UID: 0 PID: 676 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 51.419727][ T676] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 51.419732][ T676] Call Trace: [ 51.419736][ T676] [ 51.419738][ T676] dump_stack_lvl+0xb0/0xd0 [ 51.419746][ T676] lockdep_rcu_suspicious+0x1ea/0x280 [ 51.419763][ T676] dev_hard_start_xmit+0x2fc/0x3f0 [ 51.419783][ T676] __dev_queue_xmit+0xfaf/0x18d0 [ 51.419807][ T676] ? __pfx___dev_queue_xmit+0x10/0x10 [ 51.419812][ T676] ? packet_parse_headers+0x231/0x9c0 [ 51.419821][ T676] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 51.419827][ T676] ? __pfx_packet_parse_headers+0x10/0x10 [ 51.419832][ T676] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 51.419837][ T676] ? dev_get_by_index+0xb2/0x190 [ 51.419848][ T676] packet_snd+0xd0c/0x19d0 [ 51.419867][ T676] ? __lock_release+0x103/0x460 [ 51.419872][ T676] ? __might_fault+0x11b/0x170 [ 51.419883][ T676] ? __pfx_packet_snd+0x10/0x10 [ 51.419890][ T676] ? trace_lock_acquire+0x14c/0x1f0 [ 51.419893][ T676] ? __pfx___lock_release+0x10/0x10 [ 51.419906][ T676] ? lock_acquire+0x32/0xc0 [ 51.419915][ T676] ? __might_fault+0x11b/0x170 [ 51.419935][ T676] __sys_sendto+0x3c3/0x450 [ 51.419945][ T676] ? __pfx___sys_sendto+0x10/0x10 [ 51.419965][ T676] ? __lock_release+0x103/0x460 [ 51.419974][ T676] ? __pfx___lock_release+0x10/0x10 [ 51.419991][ T676] ? __pfx___up_read+0x10/0x10 [ 51.420005][ T676] ? do_user_addr_fault+0x374/0xe30 [ 51.420017][ T676] ? do_user_addr_fault+0x374/0xe30 [ 51.420024][ T676] __x64_sys_sendto+0xe0/0x1c0 [ 51.420028][ T676] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 51.420034][ T676] do_syscall_64+0xc1/0x1d0 [ 51.420042][ T676] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 51.420047][ T676] RIP: 0033:0x7f930c0e1a4a [ 51.420051][ T676] 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 [ 51.420054][ T676] RSP: 002b:00007ffdb028e5f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 51.420060][ T676] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007f930c0e1a4a [ 51.420063][ T676] RDX: 000000000000001c RSI: 00007ffdb028e610 RDI: 0000000000000005 [ 51.420064][ T676] RBP: 00007ffdb028e760 R08: 00007ffdb028fbc0 R09: 0000000000000014 [ 51.420066][ T676] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffdb028fe98 [ 51.420068][ T676] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007f930c1e7000 [ 51.420084][ T676] [ 54.217778][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 56.441898][ T783] ip (783) used greatest stack depth: 23680 bytes left [ 56.533989][ T68] w3: left allmulticast mode [ 56.534339][ T68] w3: left promiscuous mode [ 56.534710][ T68] br1: port 4(w3) entered disabled state [ 56.537275][ T68] w1: left allmulticast mode [ 56.537478][ T68] w1: left promiscuous mode [ 56.537785][ T68] br1: port 3(w1) entered disabled state [ 56.539391][ T68] vx20: left allmulticast mode [ 56.539658][ T68] vx20: left promiscuous mode [ 56.539955][ T68] br1: port 2(vx20) entered disabled state [ 56.542375][ T68] vx10: left allmulticast mode [ 56.542563][ T68] vx10: left promiscuous mode [ 56.542844][ T68] br1: port 1(vx10) entered disabled state [ 58.616033][ T805] ip (805) used greatest stack depth: 23616 bytes left [ 58.692586][ T806] br1: left promiscuous mode [ 59.347035][ T812] br1: port 4(veth2) entered disabled state [ 59.436958][ T813] veth2: left allmulticast mode [ 59.437208][ T813] veth2: left promiscuous mode [ 59.437531][ T813] br1: port 4(veth2) entered disabled state [ 59.604607][ T815] br1: port 3(veth1) entered disabled state [ 59.702432][ T816] veth1: left allmulticast mode [ 59.702696][ T816] veth1: left promiscuous mode [ 59.703021][ T816] br1: port 3(veth1) entered disabled state [ 59.880146][ T818] vx20: left allmulticast mode [ 59.880999][ T818] vx20: left promiscuous mode [ 59.881400][ T818] br1: port 2(vx20) entered disabled state [ 60.212399][ T822] vx10: left allmulticast mode [ 60.212629][ T822] vx10: left promiscuous mode [ 60.212942][ T822] br1: port 1(vx10) entered disabled state