[ 30.788352][ T282] bond0: (slave veth0): Enslaving as a backup interface with a down link
[ 30.973694][ T283] bond0: (slave veth1): Enslaving as a backup interface with a down link
[ 31.143472][ T284] br0: port 1(veth0) entered blocking state
[ 31.143819][ T284] br0: port 1(veth0) entered disabled state
[ 31.144151][ T284] veth0: entered allmulticast mode
[ 31.145689][ T284] veth0: entered promiscuous mode
[ 31.146806][ T284]
[ 31.146908][ T284] =============================
[ 31.147112][ T284] WARNING: suspicious RCU usage
[ 31.147309][ T284] 6.11.0-rc2-virtme #1 Not tainted
[ 31.147479][ T284] -----------------------------
[ 31.147689][ T284] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 31.147959][ T284]
[ 31.147959][ T284] other info that might help us debug this:
[ 31.147959][ T284]
[ 31.148310][ T284]
[ 31.148310][ T284] rcu_scheduler_active = 2, debug_locks = 1
[ 31.148579][ T284] 1 lock held by ip/284:
[ 31.148738][ T284] #0: ffffffffa7bd2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 31.149080][ T284]
[ 31.149080][ T284] stack backtrace:
[ 31.149301][ T284] CPU: 0 UID: 0 PID: 284 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 31.149593][ T284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.150005][ T284] Call Trace:
[ 31.150134][ T284]
[ 31.150215][ T284] dump_stack_lvl+0xb0/0xd0
[ 31.150415][ T284] lockdep_rcu_suspicious+0x1e5/0x270
[ 31.150574][ T284] ? __pfx_br_handle_frame+0x10/0x10
[ 31.150753][ T284] br_get_link_af_size_filtered+0x18e/0x220
[ 31.150958][ T284] br_info_notify+0xe6/0x280
[ 31.151118][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.151319][ T284] br_add_if+0xa63/0x1520
[ 31.151443][ T284] ? rtnl_is_locked+0x15/0x20
[ 31.151604][ T284] ? netdev_master_upper_dev_get+0x13/0x120
[ 31.151823][ T284] do_setlink+0x84b/0x21e0
[ 31.151992][ T284] ? is_bpf_text_address+0x67/0x120
[ 31.152185][ T284] ? __pfx_do_setlink+0x10/0x10
[ 31.152368][ T284] ? is_bpf_text_address+0x71/0x120
[ 31.152553][ T284] ? kernel_text_address+0xce/0xe0
[ 31.152742][ T284] ? __kernel_text_address+0x12/0x40
[ 31.152900][ T284] ? unwind_get_return_address+0x5e/0xa0
[ 31.153080][ T284] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.153275][ T284] ? arch_stack_walk+0xa2/0xf0
[ 31.153449][ T284] ? stack_trace_save+0x94/0xd0
[ 31.153628][ T284] ? __pfx_stack_trace_save+0x10/0x10
[ 31.153788][ T284] ? __pfx_validate_nla+0x10/0x10
[ 31.153948][ T284] ? mark_lock+0x38/0x3e0
[ 31.154090][ T284] ? kasan_save_stack+0x34/0x50
[ 31.154252][ T284] ? __nla_validate_parse+0x1bc/0x3d0
[ 31.154433][ T284] __rtnl_newlink+0xaa7/0xd80
[ 31.154611][ T284] ? hlock_class+0x4e/0x130
[ 31.154783][ T284] ? __pfx___rtnl_newlink+0x10/0x10
[ 31.154986][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.155181][ T284] ? __create_object+0x5e/0xb0
[ 31.155369][ T284] ? trace_kmalloc+0x2d/0xe0
[ 31.155527][ T284] rtnl_newlink+0x63/0xa0
[ 31.155665][ T284] rtnetlink_rcv_msg+0x2fb/0xc10
[ 31.155822][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.155989][ T284] ? hlock_class+0x4e/0x130
[ 31.156141][ T284] ? mark_lock+0x38/0x3e0
[ 31.156264][ T284] ? __lock_acquire+0xb35/0x1560
[ 31.156420][ T284] netlink_rcv_skb+0x130/0x360
[ 31.156575][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.156741][ T284] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 31.156930][ T284] ? netlink_deliver_tap+0x13e/0x340
[ 31.157091][ T284] ? netlink_deliver_tap+0xc3/0x340
[ 31.157249][ T284] netlink_unicast+0x44b/0x710
[ 31.157435][ T284] ? __pfx_netlink_unicast+0x10/0x10
[ 31.157588][ T284] ? find_held_lock+0x2c/0x110
[ 31.157773][ T284] netlink_sendmsg+0x723/0xbe0
[ 31.157948][ T284] ? __pfx_netlink_sendmsg+0x10/0x10
[ 31.158109][ T284] ? __might_fault+0xc3/0x170
[ 31.158296][ T284] ? __import_iovec+0x35d/0x5d0
[ 31.158459][ T284] ____sys_sendmsg+0x7b2/0xa10
[ 31.158643][ T284] ? __pfx_____sys_sendmsg+0x10/0x10
[ 31.158799][ T284] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 31.159012][ T284] ? __pfx_validate_chain+0x10/0x10
[ 31.159191][ T284] ___sys_sendmsg+0xee/0x170
[ 31.159348][ T284] ? __pfx____sys_sendmsg+0x10/0x10
[ 31.159536][ T284] ? find_held_lock+0x2c/0x110
[ 31.159692][ T284] ? __lock_release+0x103/0x460
[ 31.159867][ T284] ? __debug_check_no_obj_freed+0x253/0x520
[ 31.160086][ T284] ? __pfx___lock_release+0x10/0x10
[ 31.160285][ T284] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 31.160472][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.160714][ T284] ? __fget_light+0x53/0x1e0
[ 31.160902][ T284] __sys_sendmsg+0xcd/0x170
[ 31.161103][ T284] ? __pfx___sys_sendmsg+0x10/0x10
[ 31.161271][ T284] ? __virt_addr_valid+0x230/0x430
[ 31.161484][ T284] do_syscall_64+0xc1/0x1d0
[ 31.161667][ T284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.161880][ T284] RIP: 0033:0x7f3beb0707b7
[ 31.162081][ T284] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 31.162734][ T284] RSP: 002b:00007fff9ac47138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.163004][ T284] RAX: ffffffffffffffda RBX: 00007fff9ac47870 RCX: 00007f3beb0707b7
[ 31.163279][ T284] RDX: 0000000000000000 RSI: 00007fff9ac471a0 RDI: 0000000000000005
[ 31.163552][ T284] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 31.163821][ T284] R10: 0000000031022910 R11: 0000000000000246 R12: 0000000000000003
[ 31.164089][ T284] R13: 0000000066be9f88 R14: 0000000000496600 R15: 0000000000000000
[ 31.164359][ T284]
[ 31.164507][ T284]
[ 31.164598][ T284] =============================
[ 31.164789][ T284] WARNING: suspicious RCU usage
[ 31.164963][ T284] 6.11.0-rc2-virtme #1 Not tainted
[ 31.165151][ T284] -----------------------------
[ 31.165330][ T284] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 31.165593][ T284]
[ 31.165593][ T284] other info that might help us debug this:
[ 31.165593][ T284]
[ 31.165953][ T284]
[ 31.165953][ T284] rcu_scheduler_active = 2, debug_locks = 1
[ 31.166226][ T284] 1 lock held by ip/284:
[ 31.166356][ T284] #0: ffffffffa7bd2948 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 31.166681][ T284]
[ 31.166681][ T284] stack backtrace:
[ 31.166890][ T284] CPU: 0 UID: 0 PID: 284 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 31.167142][ T284] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 31.167515][ T284] Call Trace:
[ 31.167646][ T284]
[ 31.167736][ T284] dump_stack_lvl+0xb0/0xd0
[ 31.167919][ T284] lockdep_rcu_suspicious+0x1e5/0x270
[ 31.168089][ T284] br_get_link_af_size_filtered+0x1e6/0x220
[ 31.168305][ T284] br_info_notify+0xe6/0x280
[ 31.168473][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.168688][ T284] br_add_if+0xa63/0x1520
[ 31.168823][ T284] ? rtnl_is_locked+0x15/0x20
[ 31.168991][ T284] ? netdev_master_upper_dev_get+0x13/0x120
[ 31.169206][ T284] do_setlink+0x84b/0x21e0
[ 31.169383][ T284] ? is_bpf_text_address+0x67/0x120
[ 31.169554][ T284] ? __pfx_do_setlink+0x10/0x10
[ 31.169722][ T284] ? is_bpf_text_address+0x71/0x120
[ 31.169891][ T284] ? kernel_text_address+0xce/0xe0
[ 31.170063][ T284] ? __kernel_text_address+0x12/0x40
[ 31.170235][ T284] ? unwind_get_return_address+0x5e/0xa0
[ 31.170389][ T284] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.170582][ T284] ? arch_stack_walk+0xa2/0xf0
[ 31.170746][ T284] ? stack_trace_save+0x94/0xd0
[ 31.170903][ T284] ? __pfx_stack_trace_save+0x10/0x10
[ 31.171085][ T284] ? __pfx_validate_nla+0x10/0x10
[ 31.171254][ T284] ? mark_lock+0x38/0x3e0
[ 31.171406][ T284] ? kasan_save_stack+0x34/0x50
[ 31.171567][ T284] ? __nla_validate_parse+0x1bc/0x3d0
[ 31.171741][ T284] __rtnl_newlink+0xaa7/0xd80
[ 31.171917][ T284] ? hlock_class+0x4e/0x130
[ 31.172079][ T284] ? __pfx___rtnl_newlink+0x10/0x10
[ 31.172240][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.172436][ T284] ? __create_object+0x5e/0xb0
[ 31.172592][ T284] ? trace_kmalloc+0x2d/0xe0
[ 31.172752][ T284] rtnl_newlink+0x63/0xa0
[ 31.172881][ T284] rtnetlink_rcv_msg+0x2fb/0xc10
[ 31.173053][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.173253][ T284] ? hlock_class+0x4e/0x130
[ 31.173409][ T284] ? mark_lock+0x38/0x3e0
[ 31.173547][ T284] ? __lock_acquire+0xb35/0x1560
[ 31.173716][ T284] netlink_rcv_skb+0x130/0x360
[ 31.173873][ T284] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 31.174053][ T284] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 31.174220][ T284] ? netlink_deliver_tap+0x13e/0x340
[ 31.174394][ T284] ? netlink_deliver_tap+0xc3/0x340
[ 31.174550][ T284] netlink_unicast+0x44b/0x710
[ 31.174723][ T284] ? __pfx_netlink_unicast+0x10/0x10
[ 31.174917][ T284] ? find_held_lock+0x2c/0x110
[ 31.175077][ T284] netlink_sendmsg+0x723/0xbe0
[ 31.175245][ T284] ? __pfx_netlink_sendmsg+0x10/0x10
[ 31.175413][ T284] ? __might_fault+0xc3/0x170
[ 31.175574][ T284] ? __import_iovec+0x35d/0x5d0
[ 31.175750][ T284] ____sys_sendmsg+0x7b2/0xa10
[ 31.175918][ T284] ? __pfx_____sys_sendmsg+0x10/0x10
[ 31.176074][ T284] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 31.176290][ T284] ? __pfx_validate_chain+0x10/0x10
[ 31.176454][ T284] ___sys_sendmsg+0xee/0x170
[ 31.176639][ T284] ? __pfx____sys_sendmsg+0x10/0x10
[ 31.176795][ T284] ? find_held_lock+0x2c/0x110
[ 31.176993][ T284] ? __lock_release+0x103/0x460
[ 31.177142][ T284] ? __debug_check_no_obj_freed+0x253/0x520
[ 31.177342][ T284] ? __pfx___lock_release+0x10/0x10
[ 31.177534][ T284] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 31.177717][ T284] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 31.177950][ T284] ? __fget_light+0x53/0x1e0
[ 31.178112][ T284] __sys_sendmsg+0xcd/0x170
[ 31.178288][ T284] ? __pfx___sys_sendmsg+0x10/0x10
[ 31.178439][ T284] ? __virt_addr_valid+0x230/0x430
[ 31.178621][ T284] do_syscall_64+0xc1/0x1d0
[ 31.178806][ T284] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 31.179014][ T284] RIP: 0033:0x7f3beb0707b7
[ 31.179201][ T284] Code: 0a 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10
[ 31.179928][ T284] RSP: 002b:00007fff9ac47138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 31.180163][ T284] RAX: ffffffffffffffda RBX: 00007fff9ac47870 RCX: 00007f3beb0707b7
[ 31.180414][ T284] RDX: 0000000000000000 RSI: 00007fff9ac471a0 RDI: 0000000000000005
[ 31.180639][ T284] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000
[ 31.180865][ T284] R10: 0000000031022910 R11: 0000000000000246 R12: 0000000000000003
[ 31.181209][ T284] R13: 0000000066be9f88 R14: 0000000000496600 R15: 0000000000000000
[ 31.181449][ T284]
[ 31.362995][ T285] br0: port 2(veth1) entered blocking state
[ 31.363215][ T285] br0: port 2(veth1) entered disabled state
[ 31.363433][ T285] veth1: entered allmulticast mode
[ 31.364579][ T285] veth1: entered promiscuous mode
[ 32.353611][ T79] br0: port 1(veth0) entered blocking state
[ 32.353955][ T79] br0: port 1(veth0) entered forwarding state
[ 32.355092][ T79] br0: port 2(veth1) entered blocking state
[ 32.355300][ T79] br0: port 2(veth1) entered forwarding state
[ 33.696102][ T11] bond0: (slave veth0): link status definitely up
[ 33.696872][ T11] bond0: (slave veth1): link status definitely up
[ 33.697073][ T11] bond0: (slave veth0): making interface the new active one
[ 33.697973][ T11] bond0: active interface up!
[ 34.079940][ T11] veth1: left allmulticast mode
[ 34.080199][ T11] veth1: left promiscuous mode
[ 34.080515][ T11] br0: port 2(veth1) entered disabled state
[ 34.082232][ T11] veth0: left allmulticast mode
[ 34.082406][ T11] veth0: left promiscuous mode
[ 34.082701][ T11] br0: port 1(veth0) entered disabled state
[ 34.275743][ T11] bond0: (slave veth1): Releasing backup interface
[ 34.363293][ T11] bond0: (slave veth0): Releasing backup interface