[ 13.037958][ T302] lag1: Mode changed to "loadbalance" [ 13.493462][ T311] lag1: Port device veth0 added [ 13.580730][ T312] lag1: Port device veth6 added [ 14.492688][ T324] 8021q: 802.1Q VLAN Support v1.8 [ 14.493700][ T324] 8021q: adding VLAN 0 to HW filter on device lag1 [ 15.751189][ T343] lag4: Mode changed to "loadbalance" [ 15.860414][ T345] 8021q: adding VLAN 0 to HW filter on device lag4 [ 16.210651][ T351] lag4: Port device veth3 added [ 16.290515][ T352] lag4: Port device veth5 added [ 16.698155][ T358] 8021q: adding VLAN 0 to HW filter on device lag4 [ 18.254817][ T382] lag2: Mode changed to "loadbalance" [ 18.359144][ T384] 8021q: adding VLAN 0 to HW filter on device lag2 [ 18.731464][ T390] lag2: Port device veth1 added [ 18.740485][ T302] [ 18.740687][ T302] ============================= [ 18.740871][ T302] WARNING: suspicious RCU usage [ 18.741056][ T302] 6.14.0-rc6-virtme #1 Not tainted [ 18.741308][ T302] ----------------------------- [ 18.741502][ T302] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 18.741836][ T302] [ 18.741836][ T302] other info that might help us debug this: [ 18.741836][ T302] [ 18.742365][ T302] [ 18.742365][ T302] rcu_scheduler_active = 2, debug_locks = 1 [ 18.742651][ T302] 1 lock held by teamd/302: [ 18.742893][ T302] #0: ffffffff9595b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 18.743197][ T302] [ 18.743197][ T302] stack backtrace: [ 18.743402][ T302] CPU: 1 UID: 0 PID: 302 Comm: teamd Not tainted 6.14.0-rc6-virtme #1 [ 18.743406][ T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.743408][ T302] Call Trace: [ 18.743410][ T302] [ 18.743412][ T302] dump_stack_lvl+0xb0/0xd0 [ 18.743420][ T302] lockdep_rcu_suspicious+0x1ea/0x280 [ 18.743432][ T302] dev_hard_start_xmit+0x2fc/0x3f0 [ 18.743446][ T302] __dev_queue_xmit+0xfaf/0x18d0 [ 18.743461][ T302] ? __pfx___dev_queue_xmit+0x10/0x10 [ 18.743465][ T302] ? packet_parse_headers+0x231/0x9c0 [ 18.743473][ T302] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 18.743480][ T302] ? __pfx_packet_parse_headers+0x10/0x10 [ 18.743487][ T302] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 18.743494][ T302] ? packet_cached_dev_get+0xd5/0x210 [ 18.743503][ T302] packet_snd+0xd0c/0x19d0 [ 18.743518][ T302] ? __pfx_packet_snd+0x10/0x10 [ 18.743525][ T302] ? build_sched_domains+0x14d0/0x1690 [ 18.743536][ T302] ? __lock_release+0x103/0x460 [ 18.743541][ T302] ? __might_fault+0x11b/0x170 [ 18.743548][ T302] ? __pfx___lock_release+0x10/0x10 [ 18.743557][ T302] __sys_sendto+0x3c3/0x450 [ 18.743563][ T302] ? __pfx___sys_sendto+0x10/0x10 [ 18.743565][ T302] ? __might_fault+0x11b/0x170 [ 18.743579][ T302] ? __sys_getsockname+0x150/0x1f0 [ 18.743584][ T302] ? __pfx___sys_getsockname+0x10/0x10 [ 18.743588][ T302] ? __pfx___up_read+0x10/0x10 [ 18.743597][ T302] ? do_user_addr_fault+0x972/0xe30 [ 18.743606][ T302] ? do_user_addr_fault+0x97c/0xe30 [ 18.743613][ T302] __x64_sys_sendto+0xe0/0x1c0 [ 18.743617][ T302] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 18.743622][ T302] do_syscall_64+0xc1/0x1d0 [ 18.743629][ T302] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.743634][ T302] RIP: 0033:0x7ff940be38f0 [ 18.743639][ T302] 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 [ 18.743642][ T302] RSP: 002b:00007ffd6785a4c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 18.743645][ T302] RAX: ffffffffffffffda RBX: 00000000030f6740 RCX: 00007ff940be38f0 [ 18.743648][ T302] RDX: 000000000000007c RSI: 00007ffd6785a540 RDI: 0000000000000006 [ 18.743650][ T302] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 18.743651][ T302] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c [ 18.743653][ T302] R13: 00007ffd6785a540 R14: 0000000000000006 R15: 00000000030f6c90 [ 18.743669][ T302] [ 18.849757][ T391] lag2: Port device veth7 added [ 19.830401][ T406] br1: port 1(lag2.100) entered blocking state [ 19.830681][ T406] br1: port 1(lag2.100) entered disabled state [ 19.831163][ T406] lag2.100: entered allmulticast mode [ 19.831381][ T406] lag2: entered allmulticast mode [ 19.831567][ T406] veth1: entered allmulticast mode [ 19.831849][ T406] veth7: entered allmulticast mode [ 19.834512][ T406] lag2.100: entered promiscuous mode [ 19.834714][ T406] lag2: entered promiscuous mode [ 19.834902][ T406] veth1: entered promiscuous mode [ 19.835619][ T406] veth7: entered promiscuous mode [ 19.846876][ T406] ip (406) used greatest stack depth: 24056 bytes left [ 20.235560][ T413] br2: port 1(lag2.200) entered blocking state [ 20.236096][ T413] br2: port 1(lag2.200) entered disabled state [ 20.236374][ T413] lag2.200: entered allmulticast mode [ 20.238397][ T413] lag2.200: entered promiscuous mode [ 20.474423][ T416] br1: port 1(lag2.100) entered blocking state [ 20.474841][ T416] br1: port 1(lag2.100) entered forwarding state [ 20.561354][ T417] br2: port 1(lag2.200) entered blocking state [ 20.561688][ T417] br2: port 1(lag2.200) entered forwarding state [ 21.070437][ T425] lag3: Mode changed to "loadbalance" [ 21.158556][ T427] 8021q: adding VLAN 0 to HW filter on device lag3 [ 21.516554][ T433] lag3: Port device veth2 added [ 21.603448][ T434] lag3: Port device veth4 added [ 34.097340][ T515] veth7: left promiscuous mode [ 34.097904][ T515] veth7: left allmulticast mode [ 34.100297][ T515] lag2: Port device veth7 removed [ 49.850566][ T576] veth7: entered promiscuous mode [ 49.851042][ T576] veth7: entered allmulticast mode [ 49.852095][ T576] lag2: Port device veth7 added [ 50.252678][ T587] veth1: left promiscuous mode [ 50.253603][ T587] veth1: left allmulticast mode [ 50.255464][ T587] lag2: Port device veth1 removed [ 65.958903][ T276] br1: port 1(lag2.100) entered disabled state [ 65.961659][ T276] br2: port 1(lag2.200) entered disabled state [ 66.027759][ T648] veth7: left promiscuous mode [ 66.028282][ T648] veth7: left allmulticast mode [ 66.029910][ T648] lag2: Port device veth7 removed [ 66.394394][ T659] veth1: entered promiscuous mode [ 66.394877][ T659] veth1: entered allmulticast mode [ 66.395813][ T659] lag2: Port device veth1 added [ 66.422846][ T38] br1: port 1(lag2.100) entered blocking state [ 66.423174][ T38] br1: port 1(lag2.100) entered forwarding state [ 66.424093][ T38] br2: port 1(lag2.200) entered blocking state [ 66.424460][ T38] br2: port 1(lag2.200) entered forwarding state [ 66.720147][ T670] veth7: entered promiscuous mode [ 66.720584][ T670] veth7: entered allmulticast mode [ 66.721533][ T670] lag2: Port device veth7 added [ 82.464157][ T730] lag2.200: left allmulticast mode [ 82.464576][ T730] lag2.200: left promiscuous mode [ 82.465661][ T730] br2: port 1(lag2.200) entered disabled state [ 82.581874][ T731] lag2.100: left allmulticast mode [ 82.582147][ T731] lag2: left allmulticast mode [ 82.582363][ T731] veth1: left allmulticast mode [ 82.582584][ T731] veth7: left allmulticast mode [ 82.582833][ T731] lag2.100: left promiscuous mode [ 82.583037][ T731] lag2: left promiscuous mode [ 82.583323][ T731] veth1: left promiscuous mode [ 82.583960][ T731] veth7: left promiscuous mode [ 82.584847][ T731] br1: port 1(lag2.100) entered disabled state [ 84.727468][ T733] br1: port 1(lag2.100) entered blocking state [ 84.727790][ T733] br1: port 1(lag2.100) entered disabled state [ 84.728106][ T733] lag2.100: entered allmulticast mode [ 84.728304][ T733] lag2: entered allmulticast mode [ 84.728498][ T733] veth1: entered allmulticast mode [ 84.728703][ T733] veth7: entered allmulticast mode [ 84.732566][ T733] lag2.100: entered promiscuous mode [ 84.732800][ T733] lag2: entered promiscuous mode [ 84.732994][ T733] veth1: entered promiscuous mode [ 84.733467][ T733] veth7: entered promiscuous mode [ 84.742981][ T733] br1: port 1(lag2.100) entered blocking state [ 84.743314][ T733] br1: port 1(lag2.100) entered forwarding state [ 84.842517][ T734] br2: port 1(lag2.200) entered blocking state [ 84.842867][ T734] br2: port 1(lag2.200) entered disabled state [ 84.843183][ T734] lag2.200: entered allmulticast mode [ 84.846178][ T734] lag2.200: entered promiscuous mode [ 84.847463][ T734] br2: port 1(lag2.200) entered blocking state [ 84.847750][ T734] br2: port 1(lag2.200) entered forwarding state [ 100.516389][ T794] lag3: Port device veth2 removed [ 116.195208][ T855] lag3: Port device veth2 added [ 116.546225][ T866] lag3: Port device veth4 removed [ 132.328200][ T927] lag3: Port device veth2 removed [ 132.674302][ T938] lag3: Port device veth4 added [ 133.027977][ T949] lag3: Port device veth2 added [ 149.593256][ T1019] lag3: Port device veth4 removed [ 149.675947][ T1020] lag3: Port device veth2 removed [ 150.621646][ T1032] br2: port 1(lag2.200) entered disabled state [ 150.698731][ T1033] br1: port 1(lag2.100) entered disabled state [ 150.970027][ T1036] lag2.200: left allmulticast mode [ 150.971029][ T1036] lag2.200: left promiscuous mode [ 150.971618][ T1036] br2: port 1(lag2.200) entered disabled state [ 151.169000][ T1038] lag2.100: left allmulticast mode [ 151.169286][ T1038] lag2: left allmulticast mode [ 151.169498][ T1038] veth1: left allmulticast mode [ 151.169699][ T1038] veth7: left allmulticast mode [ 151.169892][ T1038] lag2.100: left promiscuous mode [ 151.171011][ T1038] lag2: left promiscuous mode [ 151.171214][ T1038] veth1: left promiscuous mode [ 151.171631][ T1038] veth7: left promiscuous mode [ 151.172383][ T1038] br1: port 1(lag2.100) entered disabled state [ 151.607303][ T1042] lag2: Port device veth7 removed [ 151.707788][ T1043] lag2: Port device veth1 removed [ 153.568939][ T1058] lag4: Port device veth5 removed [ 153.649282][ T1059] lag4: Port device veth3 removed [ 155.553294][ T1076] lag1: Port device veth6 removed [ 155.645100][ T1077] lag1: Port device veth0 removed [ 156.003159][ T302] teamd (302) used greatest stack depth: 24000 bytes left