[ 100.212483][ T657] br1: port 1(veth1) entered blocking state
[ 100.214756][ T657] br1: port 1(veth1) entered disabled state
[ 100.215175][ T657] veth1: entered allmulticast mode
[ 100.219732][ T657] veth1: entered promiscuous mode
[ 100.227980][ T657]
[ 100.228195][ T657] =============================
[ 100.228491][ T657] WARNING: suspicious RCU usage
[ 100.228830][ T657] 6.11.0-rc2-virtme #1 Not tainted
[ 100.229104][ T657] -----------------------------
[ 100.229409][ T657] net/bridge/br_private.h:930 suspicious rcu_dereference_check() usage!
[ 100.229801][ T657]
[ 100.229801][ T657] other info that might help us debug this:
[ 100.229801][ T657]
[ 100.230336][ T657]
[ 100.230336][ T657] rcu_scheduler_active = 2, debug_locks = 1
[ 100.231087][ T657] 1 lock held by ip/657:
[ 100.231316][ T657] #0: ffffffff94bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 100.231846][ T657]
[ 100.231846][ T657] stack backtrace:
[ 100.232189][ T657] CPU: 2 UID: 0 PID: 657 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 100.232615][ T657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 100.233229][ T657] Call Trace:
[ 100.233457][ T657]
[ 100.233611][ T657] dump_stack_lvl+0xb0/0xd0
[ 100.233888][ T657] lockdep_rcu_suspicious+0x1e5/0x270
[ 100.234167][ T657] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 100.234582][ T657] br_get_link_af_size_filtered+0x5f4/0x7f0 [bridge]
[ 100.234961][ T657] br_info_notify+0xe6/0x280 [bridge]
[ 100.235274][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.235618][ T657] br_add_if+0xd90/0x1330 [bridge]
[ 100.235926][ T657] ? rtnl_is_locked+0x15/0x20
[ 100.236191][ T657] ? netdev_master_upper_dev_get+0x13/0x120
[ 100.236578][ T657] do_setlink+0x84b/0x21e0
[ 100.236855][ T657] ? is_bpf_text_address+0x67/0x120
[ 100.237113][ T657] ? __pfx_do_setlink+0x10/0x10
[ 100.237391][ T657] ? is_bpf_text_address+0x71/0x120
[ 100.237648][ T657] ? kernel_text_address+0xce/0xe0
[ 100.237908][ T657] ? __kernel_text_address+0x12/0x40
[ 100.238169][ T657] ? unwind_get_return_address+0x5e/0xa0
[ 100.238427][ T657] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 100.238759][ T657] ? arch_stack_walk+0xa2/0xf0
[ 100.239048][ T657] ? stack_trace_save+0x94/0xd0
[ 100.239304][ T657] ? __pfx_stack_trace_save+0x10/0x10
[ 100.239560][ T657] ? __pfx_validate_nla+0x10/0x10
[ 100.239815][ T657] ? mark_lock+0x38/0x3e0
[ 100.240018][ T657] ? kasan_save_stack+0x34/0x50
[ 100.240319][ T657] ? __nla_validate_parse+0x1bc/0x3d0
[ 100.240617][ T657] __rtnl_newlink+0xaa7/0xd80
[ 100.240913][ T657] ? hlock_class+0x4e/0x130
[ 100.241195][ T657] ? __pfx___rtnl_newlink+0x10/0x10
[ 100.241463][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.241779][ T657] ? __create_object+0x5e/0xb0
[ 100.242043][ T657] ? trace_kmalloc+0x2d/0xe0
[ 100.242322][ T657] rtnl_newlink+0x63/0xa0
[ 100.242558][ T657] rtnetlink_rcv_msg+0x2fb/0xc10
[ 100.242843][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.243112][ T657] ? hlock_class+0x4e/0x130
[ 100.243389][ T657] ? mark_lock+0x38/0x3e0
[ 100.243600][ T657] ? __lock_acquire+0xb35/0x1560
[ 100.243877][ T657] netlink_rcv_skb+0x130/0x360
[ 100.244148][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.244439][ T657] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 100.244744][ T657] ? netlink_deliver_tap+0x13e/0x340
[ 100.245022][ T657] ? netlink_deliver_tap+0xc3/0x340
[ 100.245306][ T657] netlink_unicast+0x44b/0x710
[ 100.245606][ T657] ? __pfx_netlink_unicast+0x10/0x10
[ 100.245886][ T657] ? find_held_lock+0x2c/0x110
[ 100.246159][ T657] netlink_sendmsg+0x723/0xbe0
[ 100.246446][ T657] ? __pfx_netlink_sendmsg+0x10/0x10
[ 100.246717][ T657] ? __might_fault+0xc3/0x170
[ 100.247017][ T657] ? __import_iovec+0x35d/0x5d0
[ 100.247319][ T657] ____sys_sendmsg+0x7b2/0xa10
[ 100.247593][ T657] ? __pfx_____sys_sendmsg+0x10/0x10
[ 100.247869][ T657] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 100.248224][ T657] ? __pfx_validate_chain+0x10/0x10
[ 100.248535][ T657] ___sys_sendmsg+0xee/0x170
[ 100.248817][ T657] ? __pfx____sys_sendmsg+0x10/0x10
[ 100.249084][ T657] ? find_held_lock+0x2c/0x110
[ 100.249373][ T657] ? __lock_release+0x103/0x460
[ 100.249653][ T657] ? __debug_check_no_obj_freed+0x253/0x520
[ 100.249985][ T657] ? __pfx___lock_release+0x10/0x10
[ 100.250266][ T657] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 100.250541][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.250887][ T657] ? __fget_light+0x53/0x1e0
[ 100.251171][ T657] __sys_sendmsg+0xcd/0x170
[ 100.251452][ T657] ? __pfx___sys_sendmsg+0x10/0x10
[ 100.251730][ T657] ? __virt_addr_valid+0x230/0x430
[ 100.252041][ T657] do_syscall_64+0xc1/0x1d0
[ 100.252328][ T657] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 100.252661][ T657] RIP: 0033:0x7f14f735e7b7
[ 100.252959][ T657] 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
[ 100.253926][ T657] RSP: 002b:00007ffd5e91cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 100.254334][ T657] RAX: ffffffffffffffda RBX: 00007ffd5e91d3a0 RCX: 00007f14f735e7b7
[ 100.254746][ T657] RDX: 0000000000000000 RSI: 00007ffd5e91cce0 RDI: 0000000000000005
[ 100.255156][ T657] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 100.255573][ T657] R10: 000000003088b910 R11: 0000000000000246 R12: 0000000000000004
[ 100.255988][ T657] R13: 0000000066bea0e2 R14: 0000000000496600 R15: 0000000000000000
[ 100.256413][ T657]
[ 100.256712][ T657]
[ 100.256862][ T657] =============================
[ 100.257131][ T657] WARNING: suspicious RCU usage
[ 100.257419][ T657] 6.11.0-rc2-virtme #1 Not tainted
[ 100.257695][ T657] -----------------------------
[ 100.257970][ T657] net/bridge/br_private.h:453 suspicious rcu_dereference_check() usage!
[ 100.258421][ T657]
[ 100.258421][ T657] other info that might help us debug this:
[ 100.258421][ T657]
[ 100.258945][ T657]
[ 100.258945][ T657] rcu_scheduler_active = 2, debug_locks = 1
[ 100.259327][ T657] 1 lock held by ip/657:
[ 100.259556][ T657] #0: ffffffff94bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 100.260052][ T657]
[ 100.260052][ T657] stack backtrace:
[ 100.260435][ T657] CPU: 2 UID: 0 PID: 657 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 100.260850][ T657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 100.261429][ T657] Call Trace:
[ 100.261638][ T657]
[ 100.261784][ T657] dump_stack_lvl+0xb0/0xd0
[ 100.262075][ T657] lockdep_rcu_suspicious+0x1e5/0x270
[ 100.262349][ T657] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 100.262740][ T657] br_get_link_af_size_filtered+0x654/0x7f0 [bridge]
[ 100.263145][ T657] br_info_notify+0xe6/0x280 [bridge]
[ 100.263478][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.263818][ T657] br_add_if+0xd90/0x1330 [bridge]
[ 100.264150][ T657] ? rtnl_is_locked+0x15/0x20
[ 100.264424][ T657] ? netdev_master_upper_dev_get+0x13/0x120
[ 100.264780][ T657] do_setlink+0x84b/0x21e0
[ 100.265032][ T657] ? is_bpf_text_address+0x67/0x120
[ 100.265320][ T657] ? __pfx_do_setlink+0x10/0x10
[ 100.265603][ T657] ? is_bpf_text_address+0x71/0x120
[ 100.265777][ T657] ? kernel_text_address+0xce/0xe0
[ 100.265947][ T657] ? __kernel_text_address+0x12/0x40
[ 100.266115][ T657] ? unwind_get_return_address+0x5e/0xa0
[ 100.266286][ T657] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 100.266500][ T657] ? arch_stack_walk+0xa2/0xf0
[ 100.266680][ T657] ? stack_trace_save+0x94/0xd0
[ 100.266847][ T657] ? __pfx_stack_trace_save+0x10/0x10
[ 100.267019][ T657] ? __pfx_validate_nla+0x10/0x10
[ 100.267205][ T657] ? mark_lock+0x38/0x3e0
[ 100.267341][ T657] ? kasan_save_stack+0x34/0x50
[ 100.267528][ T657] ? __nla_validate_parse+0x1bc/0x3d0
[ 100.267709][ T657] __rtnl_newlink+0xaa7/0xd80
[ 100.267895][ T657] ? hlock_class+0x4e/0x130
[ 100.268064][ T657] ? __pfx___rtnl_newlink+0x10/0x10
[ 100.268243][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.268457][ T657] ? __create_object+0x5e/0xb0
[ 100.268632][ T657] ? trace_kmalloc+0x2d/0xe0
[ 100.268809][ T657] rtnl_newlink+0x63/0xa0
[ 100.268944][ T657] rtnetlink_rcv_msg+0x2fb/0xc10
[ 100.269120][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.269298][ T657] ? hlock_class+0x4e/0x130
[ 100.269467][ T657] ? mark_lock+0x38/0x3e0
[ 100.269603][ T657] ? __lock_acquire+0xb35/0x1560
[ 100.269790][ T657] netlink_rcv_skb+0x130/0x360
[ 100.269965][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.270138][ T657] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 100.270326][ T657] ? netlink_deliver_tap+0x13e/0x340
[ 100.270505][ T657] ? netlink_deliver_tap+0xc3/0x340
[ 100.270689][ T657] netlink_unicast+0x44b/0x710
[ 100.270865][ T657] ? __pfx_netlink_unicast+0x10/0x10
[ 100.271036][ T657] ? find_held_lock+0x2c/0x110
[ 100.271211][ T657] netlink_sendmsg+0x723/0xbe0
[ 100.271384][ T657] ? __pfx_netlink_sendmsg+0x10/0x10
[ 100.271557][ T657] ? __might_fault+0xc3/0x170
[ 100.271738][ T657] ? __import_iovec+0x35d/0x5d0
[ 100.271916][ T657] ____sys_sendmsg+0x7b2/0xa10
[ 100.272091][ T657] ? __pfx_____sys_sendmsg+0x10/0x10
[ 100.272269][ T657] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 100.272477][ T657] ? __pfx_validate_chain+0x10/0x10
[ 100.272660][ T657] ___sys_sendmsg+0xee/0x170
[ 100.272832][ T657] ? __pfx____sys_sendmsg+0x10/0x10
[ 100.273005][ T657] ? find_held_lock+0x2c/0x110
[ 100.273179][ T657] ? __lock_release+0x103/0x460
[ 100.273345][ T657] ? __debug_check_no_obj_freed+0x253/0x520
[ 100.273555][ T657] ? __pfx___lock_release+0x10/0x10
[ 100.273729][ T657] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 100.273903][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.274113][ T657] ? __fget_light+0x53/0x1e0
[ 100.274289][ T657] __sys_sendmsg+0xcd/0x170
[ 100.274460][ T657] ? __pfx___sys_sendmsg+0x10/0x10
[ 100.274625][ T657] ? __virt_addr_valid+0x230/0x430
[ 100.274815][ T657] do_syscall_64+0xc1/0x1d0
[ 100.274988][ T657] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 100.275199][ T657] RIP: 0033:0x7f14f735e7b7
[ 100.275388][ T657] 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
[ 100.275973][ T657] RSP: 002b:00007ffd5e91cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 100.276229][ T657] RAX: ffffffffffffffda RBX: 00007ffd5e91d3a0 RCX: 00007f14f735e7b7
[ 100.276483][ T657] RDX: 0000000000000000 RSI: 00007ffd5e91cce0 RDI: 0000000000000005
[ 100.276733][ T657] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 100.276978][ T657] R10: 000000003088b910 R11: 0000000000000246 R12: 0000000000000004
[ 100.277232][ T657] R13: 0000000066bea0e2 R14: 0000000000496600 R15: 0000000000000000
[ 100.277506][ T657]
[ 100.277711][ T657]
[ 100.277801][ T657] =============================
[ 100.277968][ T657] WARNING: suspicious RCU usage
[ 100.278313][ T657] 6.11.0-rc2-virtme #1 Not tainted
[ 100.278490][ T657] -----------------------------
[ 100.278654][ T657] net/bridge/br_private.h:1611 suspicious rcu_dereference_check() usage!
[ 100.278896][ T657]
[ 100.278896][ T657] other info that might help us debug this:
[ 100.278896][ T657]
[ 100.279315][ T657]
[ 100.279315][ T657] rcu_scheduler_active = 2, debug_locks = 1
[ 100.279567][ T657] 1 lock held by ip/657:
[ 100.279698][ T657] #0: ffffffff94bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 100.280097][ T657]
[ 100.280097][ T657] stack backtrace:
[ 100.280308][ T657] CPU: 2 UID: 0 PID: 657 Comm: ip Not tainted 6.11.0-rc2-virtme #1
[ 100.280559][ T657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 100.281017][ T657] Call Trace:
[ 100.281148][ T657]
[ 100.281236][ T657] dump_stack_lvl+0xb0/0xd0
[ 100.281414][ T657] lockdep_rcu_suspicious+0x1e5/0x270
[ 100.281679][ T657] ? __pfx_br_handle_frame+0x10/0x10 [bridge]
[ 100.281930][ T657] br_get_link_af_size_filtered+0x6ab/0x7f0 [bridge]
[ 100.282182][ T657] br_info_notify+0xe6/0x280 [bridge]
[ 100.282475][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.282683][ T657] br_add_if+0xd90/0x1330 [bridge]
[ 100.282881][ T657] ? rtnl_is_locked+0x15/0x20
[ 100.283048][ T657] ? netdev_master_upper_dev_get+0x13/0x120
[ 100.283357][ T657] do_setlink+0x84b/0x21e0
[ 100.283525][ T657] ? is_bpf_text_address+0x67/0x120
[ 100.283697][ T657] ? __pfx_do_setlink+0x10/0x10
[ 100.283864][ T657] ? is_bpf_text_address+0x71/0x120
[ 100.284130][ T657] ? kernel_text_address+0xce/0xe0
[ 100.284298][ T657] ? __kernel_text_address+0x12/0x40
[ 100.284465][ T657] ? unwind_get_return_address+0x5e/0xa0
[ 100.284631][ T657] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 100.284936][ T657] ? arch_stack_walk+0xa2/0xf0
[ 100.285121][ T657] ? stack_trace_save+0x94/0xd0
[ 100.285292][ T657] ? __pfx_stack_trace_save+0x10/0x10
[ 100.285478][ T657] ? __pfx_validate_nla+0x10/0x10
[ 100.285671][ T657] ? mark_lock+0x38/0x3e0
[ 100.285903][ T657] ? kasan_save_stack+0x34/0x50
[ 100.286077][ T657] ? __nla_validate_parse+0x1bc/0x3d0
[ 100.286262][ T657] __rtnl_newlink+0xaa7/0xd80
[ 100.286439][ T657] ? hlock_class+0x4e/0x130
[ 100.286704][ T657] ? __pfx___rtnl_newlink+0x10/0x10
[ 100.286879][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.287087][ T657] ? __create_object+0x5e/0xb0
[ 100.287258][ T657] ? trace_kmalloc+0x2d/0xe0
[ 100.287528][ T657] rtnl_newlink+0x63/0xa0
[ 100.287656][ T657] rtnetlink_rcv_msg+0x2fb/0xc10
[ 100.287825][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.287991][ T657] ? hlock_class+0x4e/0x130
[ 100.288156][ T657] ? mark_lock+0x38/0x3e0
[ 100.288392][ T657] ? __lock_acquire+0xb35/0x1560
[ 100.288572][ T657] netlink_rcv_skb+0x130/0x360
[ 100.288740][ T657] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 100.288909][ T657] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 100.289093][ T657] ? netlink_deliver_tap+0x13e/0x340
[ 100.289261][ T657] ? netlink_deliver_tap+0xc3/0x340
[ 100.289430][ T657] netlink_unicast+0x44b/0x710
[ 100.289599][ T657] ? __pfx_netlink_unicast+0x10/0x10
[ 100.289861][ T657] ? find_held_lock+0x2c/0x110
[ 100.290041][ T657] netlink_sendmsg+0x723/0xbe0
[ 100.290211][ T657] ? __pfx_netlink_sendmsg+0x10/0x10
[ 100.290377][ T657] ? __might_fault+0xc3/0x170
[ 100.290548][ T657] ? __import_iovec+0x35d/0x5d0
[ 100.290825][ T657] ____sys_sendmsg+0x7b2/0xa10
[ 100.290998][ T657] ? __pfx_____sys_sendmsg+0x10/0x10
[ 100.291172][ T657] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 100.291378][ T657] ? __pfx_validate_chain+0x10/0x10
[ 100.291753][ T657] ___sys_sendmsg+0xee/0x170
[ 100.291926][ T657] ? __pfx____sys_sendmsg+0x10/0x10
[ 100.292095][ T657] ? find_held_lock+0x2c/0x110
[ 100.292267][ T657] ? __lock_release+0x103/0x460
[ 100.292534][ T657] ? __debug_check_no_obj_freed+0x253/0x520
[ 100.292742][ T657] ? __pfx___lock_release+0x10/0x10
[ 100.292913][ T657] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 100.293087][ T657] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 100.293407][ T657] ? __fget_light+0x53/0x1e0
[ 100.293584][ T657] __sys_sendmsg+0xcd/0x170
[ 100.293753][ T657] ? __pfx___sys_sendmsg+0x10/0x10
[ 100.293924][ T657] ? __virt_addr_valid+0x230/0x430
[ 100.294213][ T657] do_syscall_64+0xc1/0x1d0
[ 100.294387][ T657] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 100.294595][ T657] RIP: 0033:0x7f14f735e7b7
[ 100.294779][ T657] 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
[ 100.295519][ T657] RSP: 002b:00007ffd5e91cc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 100.295887][ T657] RAX: ffffffffffffffda RBX: 00007ffd5e91d3a0 RCX: 00007f14f735e7b7
[ 100.296150][ T657] RDX: 0000000000000000 RSI: 00007ffd5e91cce0 RDI: 0000000000000005
[ 100.296411][ T657] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000
[ 100.296768][ T657] R10: 000000003088b910 R11: 0000000000000246 R12: 0000000000000004
[ 100.297020][ T657] R13: 0000000066bea0e2 R14: 0000000000496600 R15: 0000000000000000
[ 100.297281][ T657]
[ 100.450579][ T37] br1: port 1(veth1) entered blocking state
[ 100.451166][ T37] br1: port 1(veth1) entered forwarding state
[ 110.744540][ T691] veth1: left allmulticast mode
[ 110.744783][ T691] veth1: left promiscuous mode
[ 110.745105][ T691] br1: port 1(veth1) entered disabled state
[ 112.987652][ T693] br1: port 1(veth1) entered blocking state
[ 112.987974][ T693] br1: port 1(veth1) entered disabled state
[ 112.988225][ T693] veth1: entered allmulticast mode
[ 112.991215][ T693] veth1: entered promiscuous mode
[ 112.992050][ T693] br1: port 1(veth1) entered blocking state
[ 112.992280][ T693] br1: port 1(veth1) entered forwarding state
[ 115.920083][ T704]
[ 115.920212][ T704] =============================
[ 115.920398][ T704] WARNING: suspicious RCU usage
[ 115.920564][ T704] 6.11.0-rc2-virtme #1 Not tainted
[ 115.920733][ T704] -----------------------------
[ 115.920900][ T704] net/bridge/br_private.h:1605 suspicious rcu_dereference_check() usage!
[ 115.921146][ T704]
[ 115.921146][ T704] other info that might help us debug this:
[ 115.921146][ T704]
[ 115.921480][ T704]
[ 115.921480][ T704] rcu_scheduler_active = 2, debug_locks = 1
[ 115.921723][ T704] 1 lock held by bridge/704:
[ 115.921894][ T704] #0: ffffffff94bbc508 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x2af/0xc10
[ 115.922273][ T704]
[ 115.922273][ T704] stack backtrace:
[ 115.922488][ T704] CPU: 0 UID: 0 PID: 704 Comm: bridge Not tainted 6.11.0-rc2-virtme #1
[ 115.922739][ T704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 115.923111][ T704] Call Trace:
[ 115.923243][ T704]
[ 115.923336][ T704] dump_stack_lvl+0xb0/0xd0
[ 115.923514][ T704] lockdep_rcu_suspicious+0x1e5/0x270
[ 115.923685][ T704] br_get_link_af_size_filtered+0x52b/0x7f0 [bridge]
[ 115.923953][ T704] br_info_notify+0xe6/0x280 [bridge]
[ 115.924155][ T704] br_setlink+0x364/0x500 [bridge]
[ 115.924352][ T704] ? __pfx_br_setlink+0x10/0x10 [bridge]
[ 115.924555][ T704] ? lock_acquire.part.0+0xeb/0x330
[ 115.924725][ T704] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 115.924892][ T704] ? hlock_class+0x4e/0x130
[ 115.925058][ T704] ? __mutex_trylock_common+0xfa/0x260
[ 115.925233][ T704] ? __pfx___mutex_trylock_common+0x10/0x10
[ 115.925470][ T704] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 115.925633][ T704] ? lock_acquire+0x32/0xc0
[ 115.925801][ T704] ? trace_contention_end+0xeb/0x150
[ 115.925965][ T704] ? __mutex_lock+0x170/0xac0
[ 115.926138][ T704] ? find_held_lock+0x2c/0x110
[ 115.926303][ T704] ? rtnetlink_rcv_msg+0x2af/0xc10
[ 115.926469][ T704] ? __pfx___mutex_lock+0x10/0x10
[ 115.926633][ T704] ? __pfx___lock_release+0x10/0x10
[ 115.926797][ T704] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 115.926959][ T704] ? trace_lock_acquire+0x14d/0x1f0
[ 115.927129][ T704] rtnl_bridge_setlink+0x297/0x5b0
[ 115.927299][ T704] rtnetlink_rcv_msg+0x2fb/0xc10
[ 115.927474][ T704] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 115.927638][ T704] ? hlock_class+0x4e/0x130
[ 115.927806][ T704] ? mark_lock+0x38/0x3e0
[ 115.927938][ T704] ? __lock_acquire+0xb35/0x1560
[ 115.928112][ T704] netlink_rcv_skb+0x130/0x360
[ 115.928283][ T704] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 115.928450][ T704] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 115.928637][ T704] ? netlink_deliver_tap+0x13e/0x340
[ 115.928812][ T704] ? netlink_deliver_tap+0xc3/0x340
[ 115.928987][ T704] netlink_unicast+0x44b/0x710
[ 115.929157][ T704] ? __pfx_netlink_unicast+0x10/0x10
[ 115.929323][ T704] ? find_held_lock+0x2c/0x110
[ 115.929500][ T704] netlink_sendmsg+0x723/0xbe0
[ 115.929676][ T704] ? __pfx_netlink_sendmsg+0x10/0x10
[ 115.929845][ T704] ? __might_fault+0xc3/0x170
[ 115.930025][ T704] ? __import_iovec+0x35d/0x5d0
[ 115.930211][ T704] ____sys_sendmsg+0x7b2/0xa10
[ 115.930384][ T704] ? __pfx_____sys_sendmsg+0x10/0x10
[ 115.930546][ T704] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 115.930753][ T704] ? hlock_class+0x4e/0x130
[ 115.930920][ T704] ? validate_chain+0x130/0x9b0
[ 115.931099][ T704] ___sys_sendmsg+0xee/0x170
[ 115.931265][ T704] ? __pfx_validate_chain+0x10/0x10
[ 115.931431][ T704] ? __pfx____sys_sendmsg+0x10/0x10
[ 115.931609][ T704] ? __lock_acquire+0xb35/0x1560
[ 115.931784][ T704] ? find_held_lock+0x2c/0x110
[ 115.931961][ T704] ? __lock_release+0x103/0x460
[ 115.932132][ T704] ? __fget_light+0x53/0x1e0
[ 115.932296][ T704] ? trace_lock_acquire+0x14d/0x1f0
[ 115.932467][ T704] __sys_sendmsg+0xcd/0x170
[ 115.932636][ T704] ? __pfx___sys_sendmsg+0x10/0x10
[ 115.932825][ T704] do_syscall_64+0xc1/0x1d0
[ 115.932999][ T704] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 115.933212][ T704] RIP: 0033:0x7f90d0db87b7
[ 115.933391][ T704] 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
[ 115.933963][ T704] RSP: 002b:00007ffc5d638088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 115.934218][ T704] RAX: ffffffffffffffda RBX: 000000000000ffff RCX: 00007f90d0db87b7
[ 115.934469][ T704] RDX: 0000000000000000 RSI: 00007ffc5d6380f0 RDI: 0000000000000005
[ 115.934719][ T704] RBP: 00007ffc5d6381e0 R08: 0000000000000034 R09: 0000000000000000
[ 115.934969][ T704] R10: 00007f90d0c71708 R11: 0000000000000246 R12: 0000000000000001
[ 115.935234][ T704] R13: 0000000066bea0f2 R14: 0000000000423360 R15: 00007ffc5d638790
[ 115.935532][ T704]
[ 134.220140][ T728] veth1: left allmulticast mode
[ 134.220370][ T728] veth1: left promiscuous mode
[ 134.220674][ T728] br1: port 1(veth1) entered disabled state
[ 136.629196][ T731] br1: port 1(veth1) entered blocking state
[ 136.629500][ T731] br1: port 1(veth1) entered disabled state
[ 136.629784][ T731] veth1: entered allmulticast mode
[ 136.632161][ T731] veth1: entered promiscuous mode
[ 136.639055][ T731] br1: port 1(veth1) entered blocking state
[ 136.639338][ T731] br1: port 1(veth1) entered forwarding state
[ 140.733675][ T750] br1: port 1(veth1) entered disabled state
[ 140.897138][ T751] veth1: left allmulticast mode
[ 140.897441][ T751] veth1: left promiscuous mode
[ 140.897748][ T751] br1: port 1(veth1) entered disabled state