[ 12.668870][ T303] lag1: Mode changed to "loadbalance" [ 13.137708][ T311] lag1: Port device veth0 added [ 13.221295][ T312] lag1: Port device veth6 added [ 14.116431][ T324] 8021q: 802.1Q VLAN Support v1.8 [ 14.116754][ T324] 8021q: adding VLAN 0 to HW filter on device lag1 [ 15.380822][ T343] lag4: Mode changed to "loadbalance" [ 15.455102][ T345] 8021q: adding VLAN 0 to HW filter on device lag4 [ 15.834553][ T351] lag4: Port device veth3 added [ 15.923765][ T352] lag4: Port device veth5 added [ 16.327484][ T358] 8021q: adding VLAN 0 to HW filter on device lag4 [ 17.985998][ T381] lag2: Mode changed to "loadbalance" [ 18.091199][ T383] 8021q: adding VLAN 0 to HW filter on device lag2 [ 18.517801][ T389] lag2: Port device veth1 added [ 18.526434][ T303] [ 18.526742][ T303] ============================= [ 18.526924][ T303] WARNING: suspicious RCU usage [ 18.527102][ T303] 6.14.0-rc6-virtme #1 Not tainted [ 18.527292][ T303] ----------------------------- [ 18.527474][ T303] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 18.527781][ T303] [ 18.527781][ T303] other info that might help us debug this: [ 18.527781][ T303] [ 18.528116][ T303] [ 18.528116][ T303] rcu_scheduler_active = 2, debug_locks = 1 [ 18.528385][ T303] 1 lock held by teamd/303: [ 18.528567][ T303] #0: ffffffffb635b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 18.528890][ T303] [ 18.528890][ T303] stack backtrace: [ 18.529110][ T303] CPU: 0 UID: 0 PID: 303 Comm: teamd Not tainted 6.14.0-rc6-virtme #1 [ 18.529114][ T303] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.529116][ T303] Call Trace: [ 18.529118][ T303] [ 18.529120][ T303] dump_stack_lvl+0xb0/0xd0 [ 18.529127][ T303] lockdep_rcu_suspicious+0x1ea/0x280 [ 18.529138][ T303] dev_hard_start_xmit+0x2fc/0x3f0 [ 18.529148][ T303] __dev_queue_xmit+0xfaf/0x18d0 [ 18.529164][ T303] ? __pfx___dev_queue_xmit+0x10/0x10 [ 18.529169][ T303] ? packet_parse_headers+0x231/0x9c0 [ 18.529178][ T303] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 18.529184][ T303] ? __pfx_packet_parse_headers+0x10/0x10 [ 18.529188][ T303] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 18.529194][ T303] ? packet_cached_dev_get+0xd5/0x210 [ 18.529203][ T303] packet_snd+0xd0c/0x19d0 [ 18.529218][ T303] ? __pfx_packet_snd+0x10/0x10 [ 18.529224][ T303] ? build_sched_domains+0x14d0/0x1690 [ 18.529232][ T303] ? __lock_release+0x103/0x460 [ 18.529236][ T303] ? __might_fault+0x11b/0x170 [ 18.529242][ T303] ? __pfx___lock_release+0x10/0x10 [ 18.529251][ T303] __sys_sendto+0x3c3/0x450 [ 18.529257][ T303] ? __pfx___sys_sendto+0x10/0x10 [ 18.529259][ T303] ? __might_fault+0x11b/0x170 [ 18.529273][ T303] ? __sys_getsockname+0x150/0x1f0 [ 18.529277][ T303] ? __pfx___sys_getsockname+0x10/0x10 [ 18.529282][ T303] ? __pfx___up_read+0x10/0x10 [ 18.529291][ T303] ? do_user_addr_fault+0x972/0xe30 [ 18.529299][ T303] ? do_user_addr_fault+0x97c/0xe30 [ 18.529306][ T303] __x64_sys_sendto+0xe0/0x1c0 [ 18.529310][ T303] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 18.529316][ T303] do_syscall_64+0xc1/0x1d0 [ 18.529322][ T303] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.529326][ T303] RIP: 0033:0x7f64445d48f0 [ 18.529330][ T303] Code: ff ff 64 89 02 eb bd 0f 1f 00 f3 0f 1e fa 41 89 ca 64 8b 04 25 18 00 00 00 85 c0 75 1d 45 31 c9 45 31 c0 b8 2c 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 68 c3 0f 1f 80 00 00 00 00 41 54 48 83 ec 20 [ 18.529333][ T303] RSP: 002b:00007ffc84f03298 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 18.529336][ T303] RAX: ffffffffffffffda RBX: 0000000024ac2840 RCX: 00007f64445d48f0 [ 18.529338][ T303] RDX: 000000000000007c RSI: 00007ffc84f03310 RDI: 0000000000000006 [ 18.529340][ T303] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 18.529341][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c [ 18.529343][ T303] R13: 00007ffc84f03310 R14: 0000000000000006 R15: 0000000024ac2a10 [ 18.529359][ T303] [ 18.622027][ T390] lag2: Port device veth7 added [ 19.598374][ T404] br1: port 1(lag2.100) entered blocking state [ 19.598764][ T404] br1: port 1(lag2.100) entered disabled state [ 19.599211][ T404] lag2.100: entered allmulticast mode [ 19.599486][ T404] lag2: entered allmulticast mode [ 19.599692][ T404] veth1: entered allmulticast mode [ 19.600026][ T404] veth7: entered allmulticast mode [ 19.603595][ T404] lag2.100: entered promiscuous mode [ 19.603807][ T404] lag2: entered promiscuous mode [ 19.603995][ T404] veth1: entered promiscuous mode [ 19.604500][ T404] veth7: entered promiscuous mode [ 19.612636][ T404] ip (404) used greatest stack depth: 23744 bytes left [ 20.012852][ T411] br2: port 1(lag2.200) entered blocking state [ 20.013220][ T411] br2: port 1(lag2.200) entered disabled state [ 20.013886][ T411] lag2.200: entered allmulticast mode [ 20.016364][ T411] lag2.200: entered promiscuous mode [ 20.266764][ T414] br1: port 1(lag2.100) entered blocking state [ 20.267480][ T414] br1: port 1(lag2.100) entered forwarding state [ 20.347137][ T415] br2: port 1(lag2.200) entered blocking state [ 20.347526][ T415] br2: port 1(lag2.200) entered forwarding state [ 20.832993][ T423] lag3: Mode changed to "loadbalance" [ 20.927498][ T425] 8021q: adding VLAN 0 to HW filter on device lag3 [ 21.331511][ T431] lag3: Port device veth2 added [ 21.425626][ T432] lag3: Port device veth4 added [ 33.883583][ T513] veth7: left promiscuous mode [ 33.884111][ T513] veth7: left allmulticast mode [ 33.886123][ T513] lag2: Port device veth7 removed [ 49.440654][ T574] veth7: entered promiscuous mode [ 49.441124][ T574] veth7: entered allmulticast mode [ 49.442307][ T574] lag2: Port device veth7 added [ 49.727371][ T585] veth1: left promiscuous mode [ 49.727847][ T585] veth1: left allmulticast mode [ 49.730699][ T585] lag2: Port device veth1 removed [ 65.350585][ T89] br1: port 1(lag2.100) entered disabled state [ 65.352998][ T89] br2: port 1(lag2.200) entered disabled state [ 65.434556][ T646] veth7: left promiscuous mode [ 65.435019][ T646] veth7: left allmulticast mode [ 65.437035][ T646] lag2: Port device veth7 removed [ 65.748421][ T657] veth1: entered promiscuous mode [ 65.748901][ T657] veth1: entered allmulticast mode [ 65.749769][ T657] lag2: Port device veth1 added [ 65.771622][ T89] br1: port 1(lag2.100) entered blocking state [ 65.771895][ T89] br1: port 1(lag2.100) entered forwarding state [ 65.772779][ T89] br2: port 1(lag2.200) entered blocking state [ 65.773008][ T89] br2: port 1(lag2.200) entered forwarding state [ 66.067723][ T668] veth7: entered promiscuous mode [ 66.068140][ T668] veth7: entered allmulticast mode [ 66.070514][ T668] lag2: Port device veth7 added [ 81.694959][ T728] lag2.200: left allmulticast mode [ 81.695275][ T728] lag2.200: left promiscuous mode [ 81.695972][ T728] br2: port 1(lag2.200) entered disabled state [ 81.797664][ T729] lag2.100: left allmulticast mode [ 81.797889][ T729] lag2: left allmulticast mode [ 81.798126][ T729] veth1: left allmulticast mode [ 81.798469][ T729] veth7: left allmulticast mode [ 81.798671][ T729] lag2.100: left promiscuous mode [ 81.798844][ T729] lag2: left promiscuous mode [ 81.799026][ T729] veth1: left promiscuous mode [ 81.799851][ T729] veth7: left promiscuous mode [ 81.801773][ T729] br1: port 1(lag2.100) entered disabled state [ 83.945938][ T731] br1: port 1(lag2.100) entered blocking state [ 83.946319][ T731] br1: port 1(lag2.100) entered disabled state [ 83.946718][ T731] lag2.100: entered allmulticast mode [ 83.947008][ T731] lag2: entered allmulticast mode [ 83.947317][ T731] veth1: entered allmulticast mode [ 83.947948][ T731] veth7: entered allmulticast mode [ 83.951821][ T731] lag2.100: entered promiscuous mode [ 83.952144][ T731] lag2: entered promiscuous mode [ 83.952462][ T731] veth1: entered promiscuous mode [ 83.953130][ T731] veth7: entered promiscuous mode [ 83.955271][ T731] br1: port 1(lag2.100) entered blocking state [ 83.955740][ T731] br1: port 1(lag2.100) entered forwarding state [ 84.048893][ T732] br2: port 1(lag2.200) entered blocking state [ 84.049185][ T732] br2: port 1(lag2.200) entered disabled state [ 84.049447][ T732] lag2.200: entered allmulticast mode [ 84.051751][ T732] lag2.200: entered promiscuous mode [ 84.053187][ T732] br2: port 1(lag2.200) entered blocking state [ 84.053442][ T732] br2: port 1(lag2.200) entered forwarding state [ 99.540888][ T792] lag3: Port device veth2 removed [ 115.155711][ T853] lag3: Port device veth2 added [ 115.483289][ T864] lag3: Port device veth4 removed [ 131.153969][ T925] lag3: Port device veth2 removed [ 131.451655][ T936] lag3: Port device veth4 added [ 131.794454][ T948] lag3: Port device veth2 added [ 147.895850][ T1012] ip (1012) used greatest stack depth: 23376 bytes left [ 148.270791][ T1018] lag3: Port device veth4 removed [ 148.343969][ T1019] lag3: Port device veth2 removed [ 149.282454][ T1030] br2: port 1(lag2.200) entered disabled state [ 149.363750][ T1031] br1: port 1(lag2.100) entered disabled state [ 149.602745][ T1034] lag2.200: left allmulticast mode [ 149.602977][ T1034] lag2.200: left promiscuous mode [ 149.603544][ T1034] br2: port 1(lag2.200) entered disabled state [ 149.826567][ T1036] lag2.100: left allmulticast mode [ 149.826802][ T1036] lag2: left allmulticast mode [ 149.826988][ T1036] veth1: left allmulticast mode [ 149.827190][ T1036] veth7: left allmulticast mode [ 149.827385][ T1036] lag2.100: left promiscuous mode [ 149.827560][ T1036] lag2: left promiscuous mode [ 149.827734][ T1036] veth1: left promiscuous mode [ 149.828150][ T1036] veth7: left promiscuous mode [ 149.828891][ T1036] br1: port 1(lag2.100) entered disabled state [ 150.267798][ T1040] lag2: Port device veth7 removed [ 150.350093][ T1041] lag2: Port device veth1 removed [ 152.011277][ T1059] lag4: Port device veth5 removed [ 152.093316][ T1060] lag4: Port device veth3 removed [ 153.747582][ T1075] lag1: Port device veth6 removed [ 153.846532][ T1076] lag1: Port device veth0 removed