[ 30.505924][ T287] bond0: (slave veth0): Enslaving as a backup interface with a down link
[ 30.664371][ T288] bond0: (slave veth1): Enslaving as a backup interface with a down link
[ 30.814964][ T289] br0: port 1(veth0) entered blocking state
[ 30.815292][ T289] br0: port 1(veth0) entered disabled state
[ 30.815653][ T289] veth0: entered allmulticast mode
[ 30.816952][ T289] veth0: entered promiscuous mode
[ 30.965990][ C0] BUG: spinlock bad magic on CPU#0, ip/290
[ 30.966212][ C0] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: ip/290, .owner_cpu: 0
[ 30.966457][ C0] CPU: 0 UID: 0 PID: 290 Comm: ip Not tainted 6.10.0-virtme #1
[ 30.966660][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 30.966958][ C0] Call Trace:
[ 30.967215][ C0]
[ 30.967293][ C0] dump_stack_lvl+0xb0/0xd0
[ 30.967445][ C0] do_raw_spin_unlock+0x1ac/0x220
[ 30.967586][ C0] _raw_spin_unlock+0x23/0x40
[ 30.967753][ C0] net_tx_action+0x402/0x660
[ 30.967889][ C0] handle_softirqs+0x1f9/0x5c0
[ 30.968025][ C0] ? dev_deactivate_many+0x1e2/0x8d0
[ 30.968164][ C0] do_softirq+0x4d/0xa0
[ 30.968265][ C0]
[ 30.968333][ C0]
[ 30.968398][ C0] __local_bh_enable_ip+0xf6/0x120
[ 30.968530][ C0] dev_deactivate_many+0x1e7/0x8d0
[ 30.968662][ C0] ? hlock_class+0x4e/0x130
[ 30.968799][ C0] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 30.968982][ C0] dev_deactivate+0xc1/0x1b0
[ 30.969115][ C0] ? __pfx_dev_deactivate+0x10/0x10
[ 30.969249][ C0] linkwatch_do_dev+0xca/0x100
[ 30.969383][ C0] rtnl_getlink+0x4c9/0x970
[ 30.969520][ C0] ? __pfx_rtnl_getlink+0x10/0x10
[ 30.969653][ C0] ? find_held_lock+0x2c/0x110
[ 30.969793][ C0] ? trace_contention_end+0xeb/0x150
[ 30.969928][ C0] ? __mutex_lock+0x170/0xac0
[ 30.970062][ C0] ? find_held_lock+0x2c/0x110
[ 30.970196][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 30.970328][ C0] ? __pfx___lock_release+0x10/0x10
[ 30.970462][ C0] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 30.970593][ C0] ? trace_lock_acquire+0x14d/0x1f0
[ 30.970728][ C0] rtnetlink_rcv_msg+0x2fb/0xc10
[ 30.970863][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 30.970999][ C0] ? hlock_class+0x4e/0x130
[ 30.971134][ C0] ? mark_lock+0x38/0x3e0
[ 30.971237][ C0] ? __lock_acquire+0xb35/0x1560
[ 30.971367][ C0] netlink_rcv_skb+0x130/0x360
[ 30.971501][ C0] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 30.971634][ C0] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 30.971770][ C0] ? netlink_deliver_tap+0x13e/0x340
[ 30.971901][ C0] ? netlink_deliver_tap+0xc3/0x340
[ 30.972035][ C0] netlink_unicast+0x44b/0x710
[ 30.972168][ C0] ? __pfx_netlink_unicast+0x10/0x10
[ 30.972299][ C0] ? find_held_lock+0x2c/0x110
[ 30.972431][ C0] netlink_sendmsg+0x723/0xbe0
[ 30.972562][ C0] ? __pfx_netlink_sendmsg+0x10/0x10
[ 30.972691][ C0] ? __might_fault+0xc3/0x170
[ 30.972823][ C0] ? __import_iovec+0x35d/0x5d0
[ 30.972957][ C0] ____sys_sendmsg+0x7b2/0xa10
[ 30.973090][ C0] ? __pfx_____sys_sendmsg+0x10/0x10
[ 30.973228][ C0] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 30.973393][ C0] ? __lock_acquire+0xb35/0x1560
[ 30.973525][ C0] ___sys_sendmsg+0xee/0x170
[ 30.973657][ C0] ? __pfx____sys_sendmsg+0x10/0x10
[ 30.973787][ C0] ? find_held_lock+0x2c/0x110
[ 30.973917][ C0] ? __lock_release+0x103/0x460
[ 30.974048][ C0] ? __might_fault+0x11b/0x170
[ 30.974176][ C0] ? __pfx___lock_release+0x10/0x10
[ 30.974312][ C0] ? trace_lock_acquire+0x14d/0x1f0
[ 30.974444][ C0] ? __might_fault+0xc3/0x170
[ 30.974575][ C0] ? __might_fault+0x11b/0x170
[ 30.974709][ C0] ? __fget_light+0x53/0x1e0
[ 30.974843][ C0] ? move_addr_to_user+0x56/0x90
[ 30.974980][ C0] __sys_sendmsg+0xcd/0x170
[ 30.975112][ C0] ? __pfx___sys_sendmsg+0x10/0x10
[ 30.975242][ C0] ? __pfx___sys_setsockopt+0x10/0x10
[ 30.975378][ C0] do_syscall_64+0xc1/0x1d0
[ 30.975512][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 30.975677][ C0] RIP: 0033:0x7f9fddfdc7b7
[ 30.975822][ 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
[ 30.976283][ C0] RSP: 002b:00007ffcd43ac2d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 30.976487][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9fddfdc7b7
[ 30.976685][ C0] RDX: 0000000000000000 RSI: 00007ffcd43ac340 RDI: 0000000000000006
[ 30.976880][ C0] RBP: 00007ffcd43ac430 R08: 0000000000000004 R09: 00007ffcd43a9d40
[ 30.977074][ C0] R10: 00007f9fdde95708 R11: 0000000000000246 R12: 00007ffcd43ae98b
[ 30.977271][ C0] R13: 0000000066ab8726 R14: 00007ffcd43ac3f0 R15: 0000000100000001
[ 30.977472][ C0]
[ 30.978646][ T290] br0: port 2(veth1) entered blocking state
[ 30.978814][ T290] br0: port 2(veth1) entered disabled state
[ 30.978997][ T290] veth1: entered allmulticast mode
[ 30.979939][ T290] veth1: entered promiscuous mode
[ 32.110708][ T52] br0: port 1(veth0) entered blocking state
[ 32.111013][ T52] br0: port 1(veth0) entered forwarding state
[ 32.111859][ T52] br0: port 2(veth1) entered blocking state
[ 32.112081][ T52] br0: port 2(veth1) entered forwarding state
[ 33.455577][ T74] bond0: (slave veth0): link status definitely up
[ 33.455910][ T74] bond0: (slave veth1): link status definitely up
[ 33.456053][ T74] bond0: (slave veth0): making interface the new active one
[ 33.456597][ T74] bond0: active interface up!
[ 33.777092][ T11] veth1: left allmulticast mode
[ 33.777276][ T11] veth1: left promiscuous mode
[ 33.777526][ T11] br0: port 2(veth1) entered disabled state
[ 33.778246][ T11] veth0: left allmulticast mode
[ 33.778384][ T11] veth0: left promiscuous mode
[ 33.778612][ T11] br0: port 1(veth0) entered disabled state
[ 33.899254][ T11] bond0: (slave veth1): Releasing backup interface
[ 34.006459][ T11] bond0: (slave veth0): Releasing backup interface