[ 15.584407][ T328] br1: port 1(vx10) entered blocking state [ 15.585036][ T328] br1: port 1(vx10) entered disabled state [ 15.586065][ T328] vx10: entered allmulticast mode [ 15.588878][ T328] vx10: entered promiscuous mode [ 15.590196][ T328] br1: port 1(vx10) entered blocking state [ 15.590701][ T328] br1: port 1(vx10) entered forwarding state [ 15.959630][ T333] br1: port 2(vx20) entered blocking state [ 15.959927][ T333] br1: port 2(vx20) entered disabled state [ 15.960218][ T333] vx20: entered allmulticast mode [ 15.962207][ T333] vx20: entered promiscuous mode [ 15.963133][ T333] br1: port 2(vx20) entered blocking state [ 15.963417][ T333] br1: port 2(vx20) entered forwarding state [ 16.127751][ T335] br1: port 3(veth1) entered blocking state [ 16.128088][ T335] br1: port 3(veth1) entered disabled state [ 16.128413][ T335] veth1: entered allmulticast mode [ 16.130418][ T335] veth1: entered promiscuous mode [ 16.202107][ T69] br1: port 3(veth1) entered blocking state [ 16.202548][ T69] br1: port 3(veth1) entered forwarding state [ 16.357902][ T338] br1: port 4(veth2) entered blocking state [ 16.358193][ T338] br1: port 4(veth2) entered disabled state [ 16.359457][ T338] veth2: entered allmulticast mode [ 16.361407][ T338] veth2: entered promiscuous mode [ 16.439065][ T39] br1: port 4(veth2) entered blocking state [ 16.439378][ T39] br1: port 4(veth2) entered forwarding state [ 17.158895][ T348] 8021q: 802.1Q VLAN Support v1.8 [ 17.191419][ T347] ip (347) used greatest stack depth: 23824 bytes left [ 17.454027][ T351] br1: entered promiscuous mode [ 17.456938][ T351] br1: left promiscuous mode [ 17.464308][ T351] br1: entered promiscuous mode [ 22.913997][ T430] br1: port 1(vx10) entered blocking state [ 22.915850][ T430] br1: port 1(vx10) entered disabled state [ 22.924510][ T430] vx10: entered allmulticast mode [ 22.932757][ T430] vx10: entered promiscuous mode [ 22.933608][ T430] br1: port 1(vx10) entered blocking state [ 22.934144][ T430] br1: port 1(vx10) entered forwarding state [ 23.222451][ T434] br1: port 2(vx20) entered blocking state [ 23.222740][ T434] br1: port 2(vx20) entered disabled state [ 23.223011][ T434] vx20: entered allmulticast mode [ 23.224951][ T434] vx20: entered promiscuous mode [ 23.225474][ T434] br1: port 2(vx20) entered blocking state [ 23.225723][ T434] br1: port 2(vx20) entered forwarding state [ 23.370666][ T436] br1: port 3(w1) entered blocking state [ 23.370902][ T436] br1: port 3(w1) entered disabled state [ 23.371132][ T436] w1: entered allmulticast mode [ 23.381184][ T436] w1: entered promiscuous mode [ 23.458158][ T152] br1: port 3(w1) entered blocking state [ 23.458438][ T152] br1: port 3(w1) entered forwarding state [ 23.588752][ T439] br1: port 4(w3) entered blocking state [ 23.588984][ T439] br1: port 4(w3) entered disabled state [ 23.589207][ T439] w3: entered allmulticast mode [ 23.591142][ T439] w3: entered promiscuous mode [ 23.678935][ T46] br1: port 4(w3) entered blocking state [ 23.679179][ T46] br1: port 4(w3) entered forwarding state [ 24.423242][ T450] br1: entered promiscuous mode [ 24.425885][ T450] br1: left promiscuous mode [ 24.432366][ T450] br1: entered promiscuous mode [ 25.018060][ C0] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.185808][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.187232][ C3] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 25.188141][ C3] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.225867][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.227016][ C3] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 25.227586][ C3] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 25.249780][ C0] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 49.033903][ T674] GACT probability NOT on [ 49.117009][ T675] [ 49.117354][ T675] ============================= [ 49.117515][ T675] WARNING: suspicious RCU usage [ 49.117674][ T675] 6.14.0-rc6-virtme #1 Not tainted [ 49.117830][ T675] ----------------------------- [ 49.117992][ T675] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 49.118301][ T675] [ 49.118301][ T675] other info that might help us debug this: [ 49.118301][ T675] [ 49.118640][ T675] [ 49.118640][ T675] rcu_scheduler_active = 2, debug_locks = 1 [ 49.118888][ T675] 1 lock held by arping/675: [ 49.119056][ T675] #0: ffffffffa415b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 49.119377][ T675] [ 49.119377][ T675] stack backtrace: [ 49.119798][ T675] CPU: 3 UID: 0 PID: 675 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 49.119803][ T675] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 49.119805][ T675] Call Trace: [ 49.119808][ T675] [ 49.119810][ T675] dump_stack_lvl+0xb0/0xd0 [ 49.119819][ T675] lockdep_rcu_suspicious+0x1ea/0x280 [ 49.119832][ T675] dev_hard_start_xmit+0x2fc/0x3f0 [ 49.119842][ T675] __dev_queue_xmit+0xfaf/0x18d0 [ 49.119857][ T675] ? __pfx___dev_queue_xmit+0x10/0x10 [ 49.119861][ T675] ? packet_parse_headers+0x231/0x9c0 [ 49.119871][ T675] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 49.119878][ T675] ? __pfx_packet_parse_headers+0x10/0x10 [ 49.119882][ T675] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 49.119888][ T675] ? dev_get_by_index+0xb2/0x190 [ 49.119900][ T675] packet_snd+0xd0c/0x19d0 [ 49.119911][ T675] ? __lock_release+0x103/0x460 [ 49.119916][ T675] ? __might_fault+0x11b/0x170 [ 49.119924][ T675] ? __pfx_packet_snd+0x10/0x10 [ 49.119927][ T675] ? trace_lock_acquire+0x14c/0x1f0 [ 49.119929][ T675] ? __pfx___lock_release+0x10/0x10 [ 49.119936][ T675] ? lock_acquire+0x32/0xc0 [ 49.119943][ T675] ? __might_fault+0x11b/0x170 [ 49.119954][ T675] __sys_sendto+0x3c3/0x450 [ 49.119960][ T675] ? __pfx___sys_sendto+0x10/0x10 [ 49.119971][ T675] ? __lock_release+0x103/0x460 [ 49.119976][ T675] ? __pfx___lock_release+0x10/0x10 [ 49.119985][ T675] ? __pfx___up_read+0x10/0x10 [ 49.119994][ T675] ? do_user_addr_fault+0x374/0xe30 [ 49.120005][ T675] ? do_user_addr_fault+0x374/0xe30 [ 49.120012][ T675] __x64_sys_sendto+0xe0/0x1c0 [ 49.120016][ T675] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 49.120021][ T675] do_syscall_64+0xc1/0x1d0 [ 49.120030][ T675] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.120036][ T675] RIP: 0033:0x7efc4cde0a4a [ 49.120041][ T675] 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 [ 49.120044][ T675] RSP: 002b:00007ffc98060698 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 49.120048][ T675] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007efc4cde0a4a [ 49.120050][ T675] RDX: 000000000000001c RSI: 00007ffc980606b0 RDI: 0000000000000005 [ 49.120052][ T675] RBP: 00007ffc98060800 R08: 00007ffc98061c60 R09: 0000000000000014 [ 49.120053][ T675] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc98061f38 [ 49.120055][ T675] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007efc4cee6000 [ 49.120071][ T675] [ 53.874176][ T782] ip (782) used greatest stack depth: 23488 bytes left [ 53.944619][ T12] w3: left allmulticast mode [ 53.945014][ T12] w3: left promiscuous mode [ 53.945389][ T12] br1: port 4(w3) entered disabled state [ 53.948440][ T12] w1: left allmulticast mode [ 53.948665][ T12] w1: left promiscuous mode [ 53.948971][ T12] br1: port 3(w1) entered disabled state [ 53.950472][ T12] vx20: left allmulticast mode [ 53.950726][ T12] vx20: left promiscuous mode [ 53.951161][ T12] br1: port 2(vx20) entered disabled state [ 53.953471][ T12] vx10: left allmulticast mode [ 53.953653][ T12] vx10: left promiscuous mode [ 53.953950][ T12] br1: port 1(vx10) entered disabled state [ 56.081212][ T806] br1: left promiscuous mode [ 56.658397][ T812] br1: port 4(veth2) entered disabled state [ 56.737947][ T813] veth2: left allmulticast mode [ 56.738189][ T813] veth2: left promiscuous mode [ 56.738524][ T813] br1: port 4(veth2) entered disabled state [ 56.901647][ T815] br1: port 3(veth1) entered disabled state [ 56.976301][ T816] veth1: left allmulticast mode [ 56.976651][ T816] veth1: left promiscuous mode [ 56.976983][ T816] br1: port 3(veth1) entered disabled state [ 57.127388][ T818] vx20: left allmulticast mode [ 57.127670][ T818] vx20: left promiscuous mode [ 57.128002][ T818] br1: port 2(vx20) entered disabled state [ 57.523551][ T822] vx10: left allmulticast mode [ 57.523812][ T822] vx10: left promiscuous mode [ 57.524130][ T822] br1: port 1(vx10) entered disabled state