[ 31.552900][ T283] bond0: (slave veth0): Enslaving as a backup interface with a down link
[ 31.729856][ T284] bond0: (slave veth1): Enslaving as a backup interface with a down link
[ 31.884941][ T285] br0: port 1(veth0) entered blocking state
[ 31.885207][ T285] br0: port 1(veth0) entered disabled state
[ 31.885489][ T285] veth0: entered allmulticast mode
[ 31.887031][ T285] veth0: entered promiscuous mode
[ 32.043021][ C0] BUG: spinlock bad magic on CPU#0, ip/286
[ 32.043256][ C0] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/286, .owner_cpu: 0
[ 32.043590][ C0] CPU: 0 UID: 0 PID: 286 Comm: ip Not tainted 6.10.0-virtme #1
[ 32.043815][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 32.044143][ C0] Call Trace:
[ 32.044258][ C0]
[ 32.044349][ C0] dump_stack_lvl+0xb0/0xd0
[ 32.044509][ C0] do_raw_spin_unlock+0x1ac/0x220
[ 32.044667][ C0] _raw_spin_unlock+0x23/0x40
[ 32.044823][ C0] net_tx_action+0x402/0x660
[ 32.044976][ C0] handle_softirqs+0x1f9/0x5c0
[ 32.045127][ C0] ? dev_deactivate_many+0x1e2/0x8d0
[ 32.045291][ C0] do_softirq+0x4d/0xa0
[ 32.045410][ C0]
[ 32.045488][ C0]
[ 32.045562][ C0] __local_bh_enable_ip+0xf6/0x120
[ 32.045710][ C0] dev_deactivate_many+0x1e7/0x8d0
[ 32.045863][ C0] ? hlock_class+0x4e/0x130
[ 32.046010][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.046195][ C0] dev_deactivate+0xc1/0x1b0
[ 32.046354][ C0] ? __pfx_dev_deactivate+0x10/0x10
[ 32.046502][ C0] linkwatch_do_dev+0xca/0x100
[ 32.046652][ C0] rtnl_getlink+0x4c9/0x970
[ 32.046804][ C0] ? __pfx_rtnl_getlink+0x10/0x10
[ 32.046949][ C0] ? find_held_lock+0x2c/0x110
[ 32.047109][ C0] ? trace_contention_end+0xeb/0x150
[ 32.047255][ C0] ? __mutex_lock+0x170/0xac0
[ 32.047413][ C0] ? find_held_lock+0x2c/0x110
[ 32.047559][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 32.047705][ C0] ? __pfx___lock_release+0x10/0x10
[ 32.047850][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 32.047995][ C0] ? trace_lock_acquire+0x14d/0x1f0
[ 32.048144][ C0] rtnetlink_rcv_msg+0x2fb/0xc10
[ 32.048306][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.048451][ C0] ? hlock_class+0x4e/0x130
[ 32.048595][ C0] ? mark_lock+0x38/0x3e0
[ 32.048706][ C0] ? __lock_acquire+0xb35/0x1560
[ 32.048850][ C0] netlink_rcv_skb+0x130/0x360
[ 32.048992][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 32.049134][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 32.049303][ C0] ? netlink_deliver_tap+0x13e/0x340
[ 32.049457][ C0] ? netlink_deliver_tap+0xc3/0x340
[ 32.049602][ C0] netlink_unicast+0x44b/0x710
[ 32.049740][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 32.049873][ C0] ? find_held_lock+0x2c/0x110
[ 32.050008][ C0] netlink_sendmsg+0x723/0xbe0
[ 32.050138][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 32.050268][ C0] ? __might_fault+0xc3/0x170
[ 32.050439][ C0] ? __import_iovec+0x35d/0x5d0
[ 32.050583][ C0] ____sys_sendmsg+0x7b2/0xa10
[ 32.050721][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 32.050853][ C0] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 32.051017][ C0] ? __lock_acquire+0xb35/0x1560
[ 32.051150][ C0] ___sys_sendmsg+0xee/0x170
[ 32.051287][ C0] ? __pfx____sys_sendmsg+0x10/0x10
[ 32.051426][ C0] ? find_held_lock+0x2c/0x110
[ 32.051559][ C0] ? __lock_release+0x103/0x460
[ 32.051690][ C0] ? __might_fault+0x11b/0x170
[ 32.051823][ C0] ? __pfx___lock_release+0x10/0x10
[ 32.051953][ C0] ? trace_lock_acquire+0x14d/0x1f0
[ 32.052085][ C0] ? __might_fault+0xc3/0x170
[ 32.052219][ C0] ? __might_fault+0x11b/0x170
[ 32.052361][ C0] ? __fget_light+0x53/0x1e0
[ 32.052492][ C0] ? move_addr_to_user+0x56/0x90
[ 32.052630][ C0] __sys_sendmsg+0xcd/0x170
[ 32.052763][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 32.052899][ C0] ? __pfx___sys_setsockopt+0x10/0x10
[ 32.053032][ C0] do_syscall_64+0xc1/0x1d0
[ 32.053165][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 32.053340][ C0] RIP: 0033:0x7ff1184da7b7
[ 32.053480][ C0] 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
[ 32.053950][ C0] RSP: 002b:00007fff255f45a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 32.054151][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff1184da7b7
[ 32.054364][ C0] RDX: 0000000000000000 RSI: 00007fff255f4610 RDI: 0000000000000006
[ 32.054564][ C0] RBP: 00007fff255f4700 R08: 0000000000000004 R09: 00007fff255f2010
[ 32.054761][ C0] R10: 00007ff118393708 R11: 0000000000000246 R12: 00007fff255f598b
[ 32.054964][ C0] R13: 0000000066ab81c8 R14: 00007fff255f46c0 R15: 0000000100000001
[ 32.055165][ C0]
[ 32.056231][ T286] br0: port 2(veth1) entered blocking state
[ 32.056436][ T286] br0: port 2(veth1) entered disabled state
[ 32.056621][ T286] veth1: entered allmulticast mode
[ 32.057584][ T286] veth1: entered promiscuous mode
[ 33.144879][ T50] br0: port 1(veth0) entered blocking state
[ 33.145083][ T50] br0: port 1(veth0) entered forwarding state
[ 33.145897][ T50] br0: port 2(veth1) entered blocking state
[ 33.146075][ T50] br0: port 2(veth1) entered forwarding state
[ 34.483914][ T11] bond0: (slave veth0): link status definitely up
[ 34.484379][ T11] bond0: (slave veth1): link status definitely up
[ 34.484590][ T11] bond0: (slave veth0): making interface the new active one
[ 34.485267][ T11] bond0: active interface up!
[ 34.971466][ T11] veth1: left allmulticast mode
[ 34.971701][ T11] veth1: left promiscuous mode
[ 34.972066][ T11] br0: port 2(veth1) entered disabled state
[ 34.973190][ T11] veth0: left allmulticast mode
[ 34.973401][ T11] veth0: left promiscuous mode
[ 34.973724][ T11] br0: port 1(veth0) entered disabled state
[ 35.086396][ T11] bond0: (slave veth1): Releasing backup interface
[ 35.185197][ T11] bond0: (slave veth0): Releasing backup interface