[ 102.231092][ T874] lag: Mode changed to "loadbalance" [ 102.439447][ T877] lag: Port device veth2 added [ 102.774217][ T888] lag: Port device veth4 added [ 102.944076][ T891] 8021q: adding VLAN 0 to HW filter on device lag [ 103.037734][ T892] br1: port 1(lag) entered blocking state [ 103.037976][ T892] br1: port 1(lag) entered disabled state [ 103.038237][ T892] lag: entered allmulticast mode [ 103.038418][ T892] veth2: entered allmulticast mode [ 103.038754][ T892] veth4: entered allmulticast mode [ 103.041384][ T892] veth2: entered promiscuous mode [ 103.041747][ T892] veth4: entered promiscuous mode [ 103.128568][ T893] br1: port 1(lag) entered blocking state [ 103.128987][ T893] br1: port 1(lag) entered forwarding state [ 110.235384][ T927] Mirror/redirect action on [ 120.800967][ T937] [ 120.801293][ T937] ============================= [ 120.801570][ T937] WARNING: suspicious RCU usage [ 120.801800][ T937] 6.14.0-rc6-virtme #1 Not tainted [ 120.801998][ T937] ----------------------------- [ 120.802203][ T937] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 120.802505][ T937] [ 120.802505][ T937] other info that might help us debug this: [ 120.802505][ T937] [ 120.802884][ T937] [ 120.802884][ T937] rcu_scheduler_active = 2, debug_locks = 1 [ 120.803165][ T937] 1 lock held by arping/937: [ 120.803383][ T937] #0: ffffffff9935b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x1f0/0x18d0 [ 120.803727][ T937] [ 120.803727][ T937] stack backtrace: [ 120.803955][ T937] CPU: 2 UID: 0 PID: 937 Comm: arping Not tainted 6.14.0-rc6-virtme #1 [ 120.803959][ T937] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 120.803961][ T937] Call Trace: [ 120.803964][ T937] [ 120.803966][ T937] dump_stack_lvl+0xb0/0xd0 [ 120.803978][ T937] lockdep_rcu_suspicious+0x1ea/0x280 [ 120.803994][ T937] dev_hard_start_xmit+0x2fc/0x3f0 [ 120.804004][ T937] __dev_queue_xmit+0xfaf/0x18d0 [ 120.804019][ T937] ? __pfx___dev_queue_xmit+0x10/0x10 [ 120.804023][ T937] ? packet_parse_headers+0x231/0x9c0 [ 120.804032][ T937] ? __pfx_sock_alloc_send_pskb+0x10/0x10 [ 120.804041][ T937] ? __pfx_packet_parse_headers+0x10/0x10 [ 120.804046][ T937] ? skb_copy_datagram_from_iter+0xe6/0x6f0 [ 120.804054][ T937] ? dev_get_by_index+0xb2/0x190 [ 120.804066][ T937] packet_snd+0xd0c/0x19d0 [ 120.804078][ T937] ? __lock_release+0x103/0x460 [ 120.804082][ T937] ? __might_fault+0x11b/0x170 [ 120.804092][ T937] ? __pfx_packet_snd+0x10/0x10 [ 120.804094][ T937] ? trace_lock_acquire+0x14c/0x1f0 [ 120.804097][ T937] ? __pfx___lock_release+0x10/0x10 [ 120.804104][ T937] ? lock_acquire+0x32/0xc0 [ 120.804110][ T937] ? __might_fault+0x11b/0x170 [ 120.804122][ T937] __sys_sendto+0x3c3/0x450 [ 120.804135][ T937] ? __pfx___sys_sendto+0x10/0x10 [ 120.804151][ T937] ? __lock_release+0x103/0x460 [ 120.804162][ T937] ? __pfx___lock_release+0x10/0x10 [ 120.804179][ T937] ? __pfx___up_read+0x10/0x10 [ 120.804189][ T937] ? do_user_addr_fault+0x374/0xe30 [ 120.804202][ T937] ? do_user_addr_fault+0x374/0xe30 [ 120.804209][ T937] __x64_sys_sendto+0xe0/0x1c0 [ 120.804214][ T937] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 120.804219][ T937] do_syscall_64+0xc1/0x1d0 [ 120.804228][ T937] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 120.804234][ T937] RIP: 0033:0x7fc0a9a7aa4a [ 120.804240][ T937] 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 [ 120.804245][ T937] RSP: 002b:00007ffe1412b6d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 120.804251][ T937] RAX: ffffffffffffffda RBX: 0000000000000100 RCX: 00007fc0a9a7aa4a [ 120.804253][ T937] RDX: 000000000000001c RSI: 00007ffe1412b6f0 RDI: 0000000000000005 [ 120.804255][ T937] RBP: 00007ffe1412b840 R08: 00007ffe1412cca0 R09: 0000000000000014 [ 120.804257][ T937] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffe1412cf78 [ 120.804259][ T937] R13: 00000000004047b4 R14: 0000000000407de0 R15: 00007fc0a9b80000 [ 120.804275][ T937] [ 125.024942][ T38] br1: port 1(lag) entered disabled state [ 131.204659][ T57] br1: port 1(lag) entered blocking state [ 131.204923][ T57] br1: port 1(lag) entered forwarding state [ 146.677275][ T40] br1: port 1(lag) entered disabled state [ 152.822661][ T41] br1: port 1(lag) entered blocking state [ 152.822893][ T41] br1: port 1(lag) entered forwarding state [ 153.631774][ T1032] lag: left allmulticast mode [ 153.632023][ T1032] veth2: left allmulticast mode [ 153.632248][ T1032] veth4: left allmulticast mode [ 153.632613][ T1032] veth2: left promiscuous mode [ 153.632865][ T1032] veth4: left promiscuous mode [ 153.633084][ T1032] br1: port 1(lag) entered disabled state [ 153.742550][ T874] lag: Port device veth4 removed [ 153.746883][ T874] lag: Port device veth2 removed