[ 198.451193][ T730] lag1: Mode changed to "loadbalance" [ 198.566032][ T732] 8021q: adding VLAN 0 to HW filter on device lag1 [ 198.896403][ T742] lag1: Port device veth0 added [ 199.019326][ T748] lag1: Port device veth6 added [ 199.520041][ T754] 8021q: adding VLAN 0 to HW filter on device lag1 [ 200.307450][ T765] lag4: Mode changed to "loadbalance" [ 200.415235][ T766] 8021q: adding VLAN 0 to HW filter on device lag4 [ 200.735420][ T772] lag4: Port device veth3 added [ 200.848775][ T773] lag4: Port device veth5 added [ 201.313410][ T779] 8021q: adding VLAN 0 to HW filter on device lag4 [ 202.124767][ T790] lag2: Mode changed to "loadbalance" [ 202.236544][ T791] 8021q: adding VLAN 0 to HW filter on device lag2 [ 202.555642][ T797] lag2: Port device veth1 added [ 202.563535][ T730] [ 202.563754][ T730] ============================= [ 202.563917][ T730] WARNING: suspicious RCU usage [ 202.564124][ T730] 6.14.0-rc6-virtme #1 Not tainted [ 202.564282][ T730] ----------------------------- [ 202.564442][ T730] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 202.564707][ T730] [ 202.564707][ T730] other info that might help us debug this: [ 202.564707][ T730] [ 202.565008][ T730] [ 202.565008][ T730] rcu_scheduler_active = 2, debug_locks = 1 [ 202.565245][ T730] 1 lock held by teamd/730: [ 202.565434][ T730] #0: ffffffffa675b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 202.565726][ T730] [ 202.565726][ T730] stack backtrace: [ 202.565963][ T730] CPU: 1 UID: 0 PID: 730 Comm: teamd Not tainted 6.14.0-rc6-virtme #1 [ 202.565968][ T730] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 202.565970][ T730] Call Trace: [ 202.565972][ T730] [ 202.565974][ T730] dump_stack_lvl+0xb0/0xd0 [ 202.565984][ T730] lockdep_rcu_suspicious+0x1ea/0x280 [ 202.565996][ T730] dev_hard_start_xmit+0x2fc/0x3f0 [ 202.566006][ T730] __dev_queue_xmit+0xfaf/0x18d0 [ 202.566021][ T730] ? __pfx___dev_queue_xmit+0x10/0x10 [ 202.566025][ T730] ? packet_parse_headers+0x231/0x9c0 [ 202.566034][ T730] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 202.566041][ T730] ? __pfx_packet_parse_headers+0x10/0x10 [ 202.566046][ T730] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 202.566052][ T730] ? packet_cached_dev_get+0xd5/0x210 [ 202.566061][ T730] packet_snd+0xd0c/0x19d0 [ 202.566076][ T730] ? __pfx_packet_snd+0x10/0x10 [ 202.566086][ T730] ? build_sched_domains+0x14d0/0x1690 [ 202.566095][ T730] ? __lock_release+0x103/0x460 [ 202.566099][ T730] ? __might_fault+0x11b/0x170 [ 202.566106][ T730] ? __pfx___lock_release+0x10/0x10 [ 202.566115][ T730] __sys_sendto+0x3c3/0x450 [ 202.566122][ T730] ? __pfx___sys_sendto+0x10/0x10 [ 202.566124][ T730] ? __might_fault+0x11b/0x170 [ 202.566138][ T730] ? __sys_getsockname+0x150/0x1f0 [ 202.566143][ T730] ? __pfx___sys_getsockname+0x10/0x10 [ 202.566148][ T730] ? __pfx___up_read+0x10/0x10 [ 202.566157][ T730] ? do_user_addr_fault+0x972/0xe30 [ 202.566166][ T730] ? do_user_addr_fault+0x97c/0xe30 [ 202.566174][ T730] __x64_sys_sendto+0xe0/0x1c0 [ 202.566177][ T730] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 202.566183][ T730] do_syscall_64+0xc1/0x1d0 [ 202.566191][ T730] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 202.566198][ T730] RIP: 0033:0x7f8733ffd8f0 [ 202.566203][ T730] 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 [ 202.566206][ T730] RSP: 002b:00007ffc11fd20f8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 202.566210][ T730] RAX: ffffffffffffffda RBX: 000000003dd2b070 RCX: 00007f8733ffd8f0 [ 202.566213][ T730] RDX: 000000000000007c RSI: 00007ffc11fd2170 RDI: 0000000000000006 [ 202.566215][ T730] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 202.566216][ T730] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000007c [ 202.566218][ T730] R13: 00007ffc11fd2170 R14: 0000000000000006 R15: 000000003dd2b290 [ 202.566234][ T730] [ 202.659282][ T798] lag2: Port device veth7 added [ 203.260373][ T806] br1: port 1(lag2) entered blocking state [ 203.260788][ T806] br1: port 1(lag2) entered disabled state [ 203.261116][ T806] lag2: entered allmulticast mode [ 203.261377][ T806] veth1: entered allmulticast mode [ 203.261894][ T806] veth7: entered allmulticast mode [ 203.268344][ T806] veth1: entered promiscuous mode [ 203.268957][ T806] veth7: entered promiscuous mode [ 203.601393][ T809] br1: port 1(lag2) entered blocking state [ 203.601963][ T809] br1: port 1(lag2) entered forwarding state [ 203.985615][ T815] lag3: Mode changed to "loadbalance" [ 204.135625][ T817] 8021q: adding VLAN 0 to HW filter on device lag3 [ 204.527321][ T822] lag3: Port device veth2 added [ 204.633217][ T823] lag3: Port device veth4 added [ 214.226476][ T886] veth7: left allmulticast mode [ 214.229808][ T886] lag2: Port device veth7 removed [ 214.311798][ T887] veth7: left promiscuous mode [ 227.612319][ T937] veth7: entered allmulticast mode [ 227.612650][ T937] veth7: entered promiscuous mode [ 227.613693][ T937] lag2: Port device veth7 added [ 227.976162][ T948] veth1: left allmulticast mode [ 227.978801][ T948] lag2: Port device veth1 removed [ 228.065656][ T949] veth1: left promiscuous mode [ 241.195511][ T121] br1: port 1(lag2) entered disabled state [ 241.262959][ T999] veth7: left allmulticast mode [ 241.272582][ T999] lag2: Port device veth7 removed [ 241.353423][ T1000] veth7: left promiscuous mode [ 241.597516][ T1010] veth1: entered allmulticast mode [ 241.597772][ T1010] veth1: entered promiscuous mode [ 241.598690][ T1010] lag2: Port device veth1 added [ 241.616069][ T121] br1: port 1(lag2) entered blocking state [ 241.616379][ T121] br1: port 1(lag2) entered forwarding state [ 241.979227][ T1021] veth7: entered allmulticast mode [ 241.979485][ T1021] veth7: entered promiscuous mode [ 241.980433][ T1021] lag2: Port device veth7 added [ 255.305990][ T1071] lag2: left allmulticast mode [ 255.307045][ T1071] veth1: left allmulticast mode [ 255.307427][ T1071] veth7: left allmulticast mode [ 255.308175][ T1071] veth1: left promiscuous mode [ 255.308577][ T1071] veth7: left promiscuous mode [ 255.308912][ T1071] br1: port 1(lag2) entered disabled state [ 257.443920][ T1073] br1: port 1(lag2) entered blocking state [ 257.445114][ T1073] br1: port 1(lag2) entered disabled state [ 257.445597][ T1073] lag2: entered allmulticast mode [ 257.445844][ T1073] veth1: entered allmulticast mode [ 257.446056][ T1073] veth7: entered allmulticast mode [ 257.448726][ T1073] veth1: entered promiscuous mode [ 257.449114][ T1073] veth7: entered promiscuous mode [ 257.450356][ T1073] br1: port 1(lag2) entered blocking state [ 257.450779][ T1073] br1: port 1(lag2) entered forwarding state [ 270.671993][ T1123] lag3: Port device veth2 removed [ 283.977607][ T1174] lag3: Port device veth2 added [ 284.345561][ T1185] lag3: Port device veth4 removed [ 297.742789][ T1236] lag3: Port device veth2 removed [ 298.146869][ T1247] lag3: Port device veth4 added [ 298.560986][ T1258] lag3: Port device veth2 added [ 311.779310][ T1308] br1: port 2(lag3) entered blocking state [ 311.779662][ T1308] br1: port 2(lag3) entered disabled state [ 311.779958][ T1308] lag3: entered allmulticast mode [ 311.780178][ T1308] veth4: entered allmulticast mode [ 311.780387][ T1308] veth2: entered allmulticast mode [ 311.782382][ T1308] lag3: entered promiscuous mode [ 311.782635][ T1308] veth4: entered promiscuous mode [ 311.783184][ T1308] veth2: entered promiscuous mode [ 311.783796][ T1308] lag2: entered promiscuous mode [ 311.786549][ T1308] br1: port 2(lag3) entered blocking state [ 311.786841][ T1308] br1: port 2(lag3) entered forwarding state [ 313.924037][ T1310] lag3: left allmulticast mode [ 313.925037][ T1310] veth4: left allmulticast mode [ 313.925284][ T1310] veth2: left allmulticast mode [ 313.925479][ T1310] lag3: left promiscuous mode [ 313.925665][ T1310] veth4: left promiscuous mode [ 313.926361][ T1310] veth2: left promiscuous mode [ 313.926987][ T1310] br1: port 2(lag3) entered disabled state [ 313.928543][ T1310] lag2: left promiscuous mode [ 327.596789][ T1363] lag3: Port device veth4 removed [ 327.677021][ T1364] lag3: Port device veth2 removed [ 328.169913][ T815] teamd (815) used greatest stack depth: 24040 bytes left [ 328.612548][ T38] br1: port 1(lag2) entered disabled state [ 328.792931][ T1379] lag2: left allmulticast mode [ 328.793233][ T1379] veth1: left allmulticast mode [ 328.793447][ T1379] veth7: left allmulticast mode [ 328.794154][ T1379] br1: port 1(lag2) entered disabled state [ 329.036476][ T1381] lag2: Port device veth7 removed [ 329.140813][ T1382] lag2: Port device veth1 removed [ 330.724234][ T1397] lag4: Port device veth5 removed [ 330.832433][ T1398] lag4: Port device veth3 removed [ 332.347909][ T1411] lag1: Port device veth6 removed [ 332.426596][ T1412] lag1: Port device veth0 removed