[ 28.106550][ T272] ip (272) used greatest stack depth: 23264 bytes left
[ 28.533081][ T276] fab-br0: port 1(fbond) entered blocking state
[ 28.533497][ T276] fab-br0: port 1(fbond) entered disabled state
[ 28.534179][ T276] fbond: entered allmulticast mode
[ 28.535746][ T276] fbond: entered promiscuous mode
[ 28.693464][ T279] veth1-bond: entered promiscuous mode
[ 28.693848][ T279] veth1-bond: entered allmulticast mode
[ 28.701425][ T279] fbond: (slave veth1-bond): Enslaving as a backup interface with a down link
[ 28.866330][ T280] veth2-bond: entered promiscuous mode
[ 28.867001][ T280] veth2-bond: entered allmulticast mode
[ 28.867578][ T280] fbond: (slave veth2-bond): Enslaving as a backup interface with a down link
[ 29.024814][ T11] fbond: (slave veth1-bond): link status definitely up, 10000 Mbps full duplex
[ 29.025259][ T11] fbond: Warning: No 802.3ad response from the link partner for any adapters in the bond
[ 29.025809][ T11] fbond: active interface up!
[ 29.232765][ T283] fbond: (slave veth2-bond): link status definitely up, 10000 Mbps full duplex
[ 29.320621][ T284] fab-br0: port 1(fbond) entered blocking state
[ 29.321001][ T284] fab-br0: port 1(fbond) entered forwarding state
[ 29.845482][ C2] BUG: spinlock bad magic on CPU#2, tc/287
[ 29.845711][ C2] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: tc/287, .owner_cpu: 2
[ 29.845980][ C2] CPU: 2 UID: 0 PID: 287 Comm: tc Not tainted 6.10.0-virtme #1
[ 29.846208][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 29.846563][ C2] Call Trace:
[ 29.846680][ C2]
[ 29.846749][ C2] dump_stack_lvl+0xb0/0xd0
[ 29.846890][ C2] do_raw_spin_unlock+0x1ac/0x220
[ 29.847031][ C2] _raw_spin_unlock+0x23/0x40
[ 29.847170][ C2] net_tx_action+0x402/0x660
[ 29.847306][ C2] handle_softirqs+0x1f9/0x5c0
[ 29.847447][ C2] ? dev_deactivate_many+0x1e2/0x8d0
[ 29.847609][ C2] do_softirq+0x4d/0xa0
[ 29.847713][ C2]
[ 29.847807][ C2]
[ 29.847880][ C2] __local_bh_enable_ip+0xf6/0x120
[ 29.848018][ C2] dev_deactivate_many+0x1e7/0x8d0
[ 29.848174][ C2] ? __pfx___lock_release+0x10/0x10
[ 29.848332][ C2] dev_deactivate+0xc1/0x1b0
[ 29.848470][ C2] ? __pfx_dev_deactivate+0x10/0x10
[ 29.848638][ C2] qdisc_graft+0xb48/0x1110
[ 29.848774][ C2] ? qdisc_create+0x4cc/0xc90
[ 29.848936][ C2] ? __pfx_qdisc_graft+0x10/0x10
[ 29.849081][ C2] ? __pfx_qdisc_create+0x10/0x10
[ 29.849229][ C2] tc_modify_qdisc+0x95a/0x1490
[ 29.849376][ C2] ? trace_contention_end+0xeb/0x150
[ 29.849510][ C2] ? __pfx_tc_modify_qdisc+0x10/0x10
[ 29.849656][ C2] ? __mutex_lock+0x170/0xac0
[ 29.849824][ C2] ? trace_lock_acquire+0x14d/0x1f0
[ 29.849976][ C2] rtnetlink_rcv_msg+0x2fb/0xc10
[ 29.850126][ C2] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.850300][ C2] ? hlock_class+0x4e/0x130
[ 29.850447][ C2] ? mark_lock+0x38/0x3e0
[ 29.850563][ C2] ? __lock_acquire+0xb35/0x1560
[ 29.850721][ C2] netlink_rcv_skb+0x130/0x360
[ 29.850890][ C2] ? __pfx_rtnetlink_rcv_msg+0x10/0x10
[ 29.851031][ C2] ? __pfx_netlink_rcv_skb+0x10/0x10
[ 29.851193][ C2] ? netlink_deliver_tap+0x13e/0x340
[ 29.851373][ C2] ? netlink_deliver_tap+0xc3/0x340
[ 29.851511][ C2] netlink_unicast+0x44b/0x710
[ 29.851643][ C2] ? __pfx_netlink_unicast+0x10/0x10
[ 29.851785][ C2] ? find_held_lock+0x2c/0x110
[ 29.851943][ C2] netlink_sendmsg+0x723/0xbe0
[ 29.852084][ C2] ? __pfx_netlink_sendmsg+0x10/0x10
[ 29.852226][ C2] ? __might_fault+0xc3/0x170
[ 29.852390][ C2] ? __import_iovec+0x35d/0x5d0
[ 29.852538][ C2] ____sys_sendmsg+0x7b2/0xa10
[ 29.852674][ C2] ? __pfx_____sys_sendmsg+0x10/0x10
[ 29.852811][ C2] ? __pfx_copy_msghdr_from_user+0x10/0x10
[ 29.852987][ C2] ___sys_sendmsg+0xee/0x170
[ 29.853130][ C2] ? __pfx____sys_sendmsg+0x10/0x10
[ 29.853268][ C2] ? kfree+0x2d/0x230
[ 29.853374][ C2] ? ___sys_recvmsg+0xe0/0x150
[ 29.853537][ C2] ? __pfx____sys_recvmsg+0x10/0x10
[ 29.853694][ C2] ? reacquire_held_locks+0x22f/0x4f0
[ 29.853842][ C2] ? do_user_addr_fault+0x8fd/0xe30
[ 29.853995][ C2] ? __fget_light+0x53/0x1e0
[ 29.854148][ C2] __sys_sendmsg+0xcd/0x170
[ 29.854301][ C2] ? __pfx___sys_sendmsg+0x10/0x10
[ 29.854447][ C2] ? __pfx___up_read+0x10/0x10
[ 29.854583][ C2] do_syscall_64+0xc1/0x1d0
[ 29.854721][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 29.854897][ C2] RIP: 0033:0x7fb2b41437b7
[ 29.855039][ C2] 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
[ 29.855545][ C2] RSP: 002b:00007ffefe0a4668 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 29.855768][ C2] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fb2b41437b7
[ 29.855973][ C2] RDX: 0000000000000000 RSI: 00007ffefe0a46d0 RDI: 0000000000000005
[ 29.856177][ C2] RBP: 000000000047d6a0 R08: 0000000000000014 R09: 0000000000000000
[ 29.856410][ C2] R10: 00007fb2b3ffc708 R11: 0000000000000246 R12: 00007ffefe0b4990
[ 29.856644][ C2] R13: 0000000066ab8762 R14: 00000000004829c0 R15: 00007fb2b43d6000
[ 29.856872][ C2]
[ 31.420551][ T309] fbond: left allmulticast mode
[ 31.420727][ T309] veth1-bond: left allmulticast mode
[ 31.420866][ T309] veth2-bond: left allmulticast mode
[ 31.421009][ T309] fbond: left promiscuous mode
[ 31.421140][ T309] veth1-bond: left promiscuous mode
[ 31.421460][ T309] veth2-bond: left promiscuous mode
[ 31.421905][ T309] fab-br0: port 1(fbond) entered disabled state
[ 31.786332][ T311] fbond (unregistering): (slave veth1-bond): Removing an active aggregator
[ 31.786988][ T311] fbond (unregistering): (slave veth1-bond): Releasing backup interface
[ 31.804982][ T311] fbond (unregistering): (slave veth2-bond): Removing an active aggregator
[ 31.805857][ T311] fbond (unregistering): (slave veth2-bond): Releasing backup interface
[ 31.824780][ T311] fbond (unregistering): Released all slaves