[ 15.634401][ T251] ip (251) used greatest stack depth: 24384 bytes left
[ 18.852217][ T290] 8021q: 802.1Q VLAN Support v1.8
[ 20.844119][ T306] br0: port 1(veth1) entered blocking state
[ 20.844822][ T306] br0: port 1(veth1) entered disabled state
[ 20.845443][ T306] veth1: entered allmulticast mode
[ 20.849139][ T306] veth1: entered promiscuous mode
[ 20.958371][ T307] br0: port 2(veth2) entered blocking state
[ 20.958856][ T307] br0: port 2(veth2) entered disabled state
[ 20.959822][ T307] veth2: entered allmulticast mode
[ 20.963532][ T307] veth2: entered promiscuous mode
[ 21.216432][ T35] br0: port 1(veth1) entered blocking state
[ 21.217063][ T35] br0: port 1(veth1) entered forwarding state
[ 21.352833][ T37] br0: port 2(veth2) entered blocking state
[ 21.353386][ T37] br0: port 2(veth2) entered forwarding state
[ 50.969217][ T378] GACT probability NOT on
[ 86.014435][ T593] br1: port 1(veth0) entered blocking state
[ 86.017064][ T593] br1: port 1(veth0) entered disabled state
[ 86.017693][ T593] veth0: entered allmulticast mode
[ 86.022323][ T593] veth0: entered promiscuous mode
[ 86.037933][ T593] ip (593) used greatest stack depth: 23120 bytes left
[ 86.144764][ T595] br1: port 1(veth0) entered blocking state
[ 86.145509][ T595] br1: port 1(veth0) entered forwarding state
[ 88.614437][ T600] veth0: left allmulticast mode
[ 88.614995][ T600] veth0: left promiscuous mode
[ 88.615830][ T600] br1: port 1(veth0) entered disabled state
[ 88.693056][ T600] ==================================================================
[ 88.693385][ T600] BUG: KASAN: slab-use-after-free in kobject_put+0xbb/0xd0
[ 88.693635][ T600] Read of size 1 at addr ffff88800604a6ac by task ip/600
[ 88.693862][ T600]
[ 88.693949][ T600] CPU: 1 UID: 0 PID: 600 Comm: ip Not tainted 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 88.693954][ T600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.693957][ T600] Call Trace:
[ 88.693959][ T600]
[ 88.693961][ T600] dump_stack_lvl+0x82/0xc0
[ 88.693968][ T600] print_address_description.constprop.0+0x2c/0x3a0
[ 88.693976][ T600] ? kobject_put+0xbb/0xd0
[ 88.693980][ T600] print_report+0xb4/0x270
[ 88.693983][ T600] ? kobject_put+0xbb/0xd0
[ 88.693987][ T600] ? kasan_addr_to_slab+0x21/0x70
[ 88.693990][ T600] ? kobject_put+0xbb/0xd0
[ 88.693993][ T600] kasan_report+0xca/0x100
[ 88.693998][ T600] ? kobject_put+0xbb/0xd0
[ 88.694003][ T600] kobject_put+0xbb/0xd0
[ 88.694007][ T600] netdev_run_todo+0x5f0/0xc60
[ 88.694013][ T600] ? dev_ingress_queue_create+0x190/0x190
[ 88.694016][ T600] ? generic_xdp_install+0x410/0x410
[ 88.694018][ T600] ? kernfs_put.part.0+0x12d/0x480
[ 88.694025][ T600] ? unregister_netdevice_many+0x20/0x20
[ 88.694031][ T600] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 88.694068][ T600] rtnl_dellink+0x350/0xa30
[ 88.694074][ T600] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 88.694092][ T600] ? find_held_lock+0x2b/0x80
[ 88.694099][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.694105][ T600] ? find_held_lock+0x2b/0x80
[ 88.694109][ T600] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 88.694111][ T600] ? __lock_release+0x5d/0x170
[ 88.694116][ T600] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 88.694119][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.694123][ T600] ? rtnl_port_fill+0x850/0x850
[ 88.694125][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.694132][ T600] netlink_rcv_skb+0x121/0x340
[ 88.694136][ T600] ? rtnl_port_fill+0x850/0x850
[ 88.694140][ T600] ? netlink_ack+0xdd0/0xdd0
[ 88.694146][ T600] ? netlink_deliver_tap+0x13e/0x340
[ 88.694149][ T600] ? netlink_deliver_tap+0xc3/0x340
[ 88.694152][ T600] netlink_unicast+0x4aa/0x780
[ 88.694156][ T600] ? netlink_attachskb+0x810/0x810
[ 88.694160][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.694165][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.694170][ T600] ? netlink_unicast+0x780/0x780
[ 88.694173][ T600] ? __import_iovec+0x230/0x3b0
[ 88.694179][ T600] ? netlink_unicast+0x780/0x780
[ 88.694182][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.694188][ T600] ? get_timestamp.constprop.0+0x380/0x380
[ 88.694191][ T600] ? __copy_msghdr+0x3c0/0x3c0
[ 88.694198][ T600] ___sys_sendmsg+0xed/0x170
[ 88.694201][ T600] ? kasan_record_aux_stack+0x8c/0xa0
[ 88.694203][ T600] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 88.694209][ T600] ? copy_msghdr_from_user+0x110/0x110
[ 88.694214][ T600] ? find_held_lock+0x2b/0x80
[ 88.694219][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.694224][ T600] ? find_held_lock+0x2b/0x80
[ 88.694228][ T600] ? __virt_addr_valid+0x22a/0x450
[ 88.694232][ T600] ? __lock_release+0x5d/0x170
[ 88.694238][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.694241][ T600] ? __call_rcu_common.constprop.0+0x318/0x630
[ 88.694245][ T600] ? __sys_sendmsg_sock+0x20/0x20
[ 88.694252][ T600] ? rcu_is_watching+0x12/0xb0
[ 88.694257][ T600] do_syscall_64+0xc1/0xfd0
[ 88.694262][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.694266][ T600] RIP: 0033:0x7fc70cf491d7
[ 88.694271][ T600] Code: 0e 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
[ 88.694274][ T600] RSP: 002b:00007ffeaa237478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 88.694278][ T600] RAX: ffffffffffffffda RBX: 00007ffeaa237ba0 RCX: 00007fc70cf491d7
[ 88.694280][ T600] RDX: 0000000000000000 RSI: 00007ffeaa2374e0 RDI: 0000000000000005
[ 88.694282][ T600] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 88.694283][ T600] R10: 00007fc70ce45f60 R11: 0000000000000246 R12: 0000000000000002
[ 88.694285][ T600] R13: 00000000690df66c R14: 0000000000499600 R15: 0000000000000000
[ 88.694291][ T600]
[ 88.694293][ T600]
[ 88.707310][ T600] Allocated by task 590:
[ 88.707439][ T600] kasan_save_stack+0x24/0x40
[ 88.707621][ T600] kasan_save_track+0x14/0x30
[ 88.707785][ T600] __kasan_kmalloc+0x7b/0x90
[ 88.707966][ T600] __kvmalloc_node_noprof+0x2e5/0x8e0
[ 88.708147][ T600] alloc_netdev_mqs+0x7d/0x1370
[ 88.708316][ T600] rtnl_create_link+0xa9e/0xe20
[ 88.708497][ T600] rtnl_newlink_create+0x203/0x770
[ 88.708684][ T600] __rtnl_newlink+0x231/0xa30
[ 88.708862][ T600] rtnl_newlink+0x693/0xa60
[ 88.709049][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.709226][ T600] netlink_rcv_skb+0x121/0x340
[ 88.709395][ T600] netlink_unicast+0x4aa/0x780
[ 88.709569][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.709752][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.709935][ T600] ___sys_sendmsg+0xed/0x170
[ 88.710104][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.710268][ T600] do_syscall_64+0xc1/0xfd0
[ 88.710434][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.710646][ T600]
[ 88.710731][ T600] Freed by task 600:
[ 88.710883][ T600] kasan_save_stack+0x24/0x40
[ 88.711059][ T600] kasan_save_track+0x14/0x30
[ 88.711227][ T600] __kasan_save_free_info+0x3b/0x60
[ 88.711391][ T600] __kasan_slab_free+0x3f/0x60
[ 88.711556][ T600] kfree+0x21d/0x540
[ 88.711680][ T600] device_release+0x9c/0x210
[ 88.711852][ T600] kobject_cleanup+0xfe/0x360
[ 88.712029][ T600] netdev_run_todo+0x81f/0xc60
[ 88.712197][ T600] rtnl_dellink+0x350/0xa30
[ 88.712359][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.712522][ T600] netlink_rcv_skb+0x121/0x340
[ 88.712690][ T600] netlink_unicast+0x4aa/0x780
[ 88.712867][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.713041][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.713206][ T600] ___sys_sendmsg+0xed/0x170
[ 88.713370][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.713531][ T600] do_syscall_64+0xc1/0xfd0
[ 88.713703][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.713943][ T600]
[ 88.714030][ T600] Last potentially related work creation:
[ 88.714193][ T600] kasan_save_stack+0x24/0x40
[ 88.714362][ T600] kasan_record_aux_stack+0x8c/0xa0
[ 88.714527][ T600] insert_work+0x34/0x230
[ 88.714656][ T600] __queue_work+0x5fd/0xab0
[ 88.714824][ T600] queue_work_on+0x84/0x90
[ 88.715005][ T600] br_multicast_dev_del+0xeb/0x240 [bridge]
[ 88.715245][ T600] br_dev_uninit+0x19/0x40 [bridge]
[ 88.715439][ T600] unregister_netdevice_many_notify+0xa80/0x1b30
[ 88.715648][ T600] rtnl_dellink+0x344/0xa30
[ 88.715812][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.716001][ T600] netlink_rcv_skb+0x121/0x340
[ 88.716169][ T600] netlink_unicast+0x4aa/0x780
[ 88.716337][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.716503][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.716668][ T600] ___sys_sendmsg+0xed/0x170
[ 88.716843][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.717024][ T600] do_syscall_64+0xc1/0xfd0
[ 88.717188][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.717393][ T600]
[ 88.717478][ T600] Second to last potentially related work creation:
[ 88.717682][ T600] kasan_save_stack+0x24/0x40
[ 88.717858][ T600] kasan_record_aux_stack+0x8c/0xa0
[ 88.718032][ T600] insert_work+0x34/0x230
[ 88.718156][ T600] __queue_work+0x5fd/0xab0
[ 88.718319][ T600] queue_work_on+0x84/0x90
[ 88.718488][ T600] fdb_delete+0x7bf/0xd50 [bridge]
[ 88.718696][ T600] br_fdb_delete_by_port+0x1ce/0x260 [bridge]
[ 88.718961][ T600] del_nbp+0x374/0xbe0 [bridge]
[ 88.719158][ T600] br_dev_delete+0x91/0x1a0 [bridge]
[ 88.719345][ T600] rtnl_dellink+0x334/0xa30
[ 88.719512][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.719680][ T600] netlink_rcv_skb+0x121/0x340
[ 88.719855][ T600] netlink_unicast+0x4aa/0x780
[ 88.720030][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.720193][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.720365][ T600] ___sys_sendmsg+0xed/0x170
[ 88.720530][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.720693][ T600] do_syscall_64+0xc1/0xfd0
[ 88.720879][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.721087][ T600]
[ 88.721183][ T600] The buggy address belongs to the object at ffff88800604a000
[ 88.721183][ T600] which belongs to the cache kmalloc-8k of size 8192
[ 88.721588][ T600] The buggy address is located 1708 bytes inside of
[ 88.721588][ T600] freed 8192-byte region [ffff88800604a000, ffff88800604c000)
[ 88.722001][ T600]
[ 88.722090][ T600] The buggy address belongs to the physical page:
[ 88.722294][ T600] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x6048
[ 88.722592][ T600] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
[ 88.722856][ T600] flags: 0x80000000000040(head|node=0|zone=1)
[ 88.723075][ T600] page_type: f5(slab)
[ 88.723207][ T600] raw: 0080000000000040 ffff8880010438c0 ffffea0000229a10 ffff888001041228
[ 88.723504][ T600] raw: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 88.723813][ T600] head: 0080000000000040 ffff8880010438c0 ffffea0000229a10 ffff888001041228
[ 88.724127][ T600] head: 0000000000000000 0000000000010001 00000000f5000000 0000000000000000
[ 88.724418][ T600] head: 0080000000000003 ffffea0000181201 00000000ffffffff 00000000ffffffff
[ 88.724707][ T600] head: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
[ 88.725019][ T600] page dumped because: kasan: bad access detected
[ 88.725229][ T600]
[ 88.725312][ T600] Memory state around the buggy address:
[ 88.725469][ T600] ffff88800604a580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.725706][ T600] ffff88800604a600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.725957][ T600] >ffff88800604a680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.726201][ T600] ^
[ 88.726360][ T600] ffff88800604a700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.726597][ T600] ffff88800604a780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
[ 88.726841][ T600] ==================================================================
[ 88.727418][ T600] Disabling lock debugging due to kernel taint
[ 88.727629][ T600] ------------[ cut here ]------------
[ 88.727780][ T600] refcount_t: underflow; use-after-free.
[ 88.727988][ T600] WARNING: CPU: 1 PID: 600 at lib/refcount.c:28 refcount_warn_saturate+0x16f/0x1b0
[ 88.728285][ T600] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc 8021q vrf veth
[ 88.728583][ T600] CPU: 1 UID: 0 PID: 600 Comm: ip Tainted: G B 6.18.0-rc4-virtme #1 PREEMPT(full)
[ 88.728949][ T600] Tainted: [B]=BAD_PAGE
[ 88.729084][ T600] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 88.729289][ T600] RIP: 0010:refcount_warn_saturate+0x16f/0x1b0
[ 88.729499][ T600] Code: 7d 93 02 80 fb 01 0f 87 bb 99 d9 fe 83 e3 01 0f 85 51 ff ff ff c6 05 a8 7d 93 02 01 90 48 c7 c7 60 8d 85 b2 e8 32 bf 18 ff 90 <0f> 0b 90 90 e9 33 ff ff ff 48 89 df e8 b0 63 a1 ff e9 ba fe ff ff
[ 88.730096][ T600] RSP: 0018:ffffc90000f971f0 EFLAGS: 00010286
[ 88.730301][ T600] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 88.730558][ T600] RDX: 0000000000000002 RSI: 0000000000000004 RDI: 0000000000000001
[ 88.730798][ T600] RBP: 0000000000000003 R08: 0000000000000000 R09: fffffbfff663e134
[ 88.731070][ T600] R10: 0000000000000003 R11: ffffc90000f96d80 R12: 0000000000000001
[ 88.731312][ T600] R13: dffffc0000000000 R14: dead000000000122 R15: dead000000000100
[ 88.731553][ T600] FS: 00007fc70cd7b800(0000) GS:ffff888081c72000(0000) knlGS:0000000000000000
[ 88.731844][ T600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.732068][ T600] CR2: 0000556d54321bd8 CR3: 0000000009d31006 CR4: 0000000000772ef0
[ 88.732313][ T600] PKRU: 55555554
[ 88.732437][ T600] Call Trace:
[ 88.732557][ T600]
[ 88.732644][ T600] netdev_run_todo+0x5f0/0xc60
[ 88.732813][ T600] ? dev_ingress_queue_create+0x190/0x190
[ 88.733003][ T600] ? generic_xdp_install+0x410/0x410
[ 88.733167][ T600] ? kernfs_put.part.0+0x12d/0x480
[ 88.733329][ T600] ? unregister_netdevice_many+0x20/0x20
[ 88.733490][ T600] ? br_dev_delete+0x115/0x1a0 [bridge]
[ 88.733680][ T600] rtnl_dellink+0x350/0xa30
[ 88.733863][ T600] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 88.734096][ T600] ? find_held_lock+0x2b/0x80
[ 88.734262][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.734430][ T600] ? find_held_lock+0x2b/0x80
[ 88.734589][ T600] ? rtnetlink_rcv_msg+0x6e6/0xc00
[ 88.734749][ T600] ? __lock_release+0x5d/0x170
[ 88.734939][ T600] ? valid_bridge_getlink_req.constprop.0+0x640/0x640
[ 88.735145][ T600] rtnetlink_rcv_msg+0x709/0xc00
[ 88.735308][ T600] ? rtnl_port_fill+0x850/0x850
[ 88.735468][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.735637][ T600] netlink_rcv_skb+0x121/0x340
[ 88.735798][ T600] ? rtnl_port_fill+0x850/0x850
[ 88.735974][ T600] ? netlink_ack+0xdd0/0xdd0
[ 88.736143][ T600] ? netlink_deliver_tap+0x13e/0x340
[ 88.736305][ T600] ? netlink_deliver_tap+0xc3/0x340
[ 88.736464][ T600] netlink_unicast+0x4aa/0x780
[ 88.736625][ T600] ? netlink_attachskb+0x810/0x810
[ 88.736787][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.736969][ T600] netlink_sendmsg+0x714/0xbd0
[ 88.737137][ T600] ? netlink_unicast+0x780/0x780
[ 88.737298][ T600] ? __import_iovec+0x230/0x3b0
[ 88.737464][ T600] ? netlink_unicast+0x780/0x780
[ 88.737624][ T600] ____sys_sendmsg+0x3dd/0x890
[ 88.737789][ T600] ? get_timestamp.constprop.0+0x380/0x380
[ 88.738011][ T600] ? __copy_msghdr+0x3c0/0x3c0
[ 88.738217][ T600] ___sys_sendmsg+0xed/0x170
[ 88.738374][ T600] ? kasan_record_aux_stack+0x8c/0xa0
[ 88.738538][ T600] ? __call_rcu_common.constprop.0+0xa8/0x630
[ 88.738739][ T600] ? copy_msghdr_from_user+0x110/0x110
[ 88.738921][ T600] ? find_held_lock+0x2b/0x80
[ 88.739090][ T600] ? __lock_acquire+0x449/0x7e0
[ 88.739256][ T600] ? find_held_lock+0x2b/0x80
[ 88.739420][ T600] ? __virt_addr_valid+0x22a/0x450
[ 88.739582][ T600] ? __lock_release+0x5d/0x170
[ 88.739742][ T600] __sys_sendmsg+0x10b/0x1a0
[ 88.739916][ T600] ? __call_rcu_common.constprop.0+0x318/0x630
[ 88.740125][ T600] ? __sys_sendmsg_sock+0x20/0x20
[ 88.740294][ T600] ? rcu_is_watching+0x12/0xb0
[ 88.740458][ T600] do_syscall_64+0xc1/0xfd0
[ 88.740620][ T600] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 88.740821][ T600] RIP: 0033:0x7fc70cf491d7
[ 88.741018][ T600] Code: 0e 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
[ 88.741583][ T600] RSP: 002b:00007ffeaa237478 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
[ 88.741830][ T600] RAX: ffffffffffffffda RBX: 00007ffeaa237ba0 RCX: 00007fc70cf491d7
[ 88.742094][ T600] RDX: 0000000000000000 RSI: 00007ffeaa2374e0 RDI: 0000000000000005
[ 88.742336][ T600] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078
[ 88.742582][ T600] R10: 00007fc70ce45f60 R11: 0000000000000246 R12: 0000000000000002
[ 88.742820][ T600] R13: 00000000690df66c R14: 0000000000499600 R15: 0000000000000000
[ 88.743096][ T600]
[ 88.743223][ T600] irq event stamp: 57775
[ 88.743347][ T600] hardirqs last enabled at (57775): [] irqentry_exit+0x3b/0x80
[ 88.743627][ T600] hardirqs last disabled at (57774): [] handle_softirqs+0x47f/0x610
[ 88.743972][ T600] softirqs last enabled at (56844): [] handle_softirqs+0x352/0x610
[ 88.744313][ T600] softirqs last disabled at (56753): [] irq_exit_rcu+0xab/0x100
[ 88.744594][ T600] ---[ end trace 0000000000000000 ]---
[ 100.401662][ T716] br0: vlan filtering disabled, automatically disabling multicast vlan snooping
[ 100.822302][ T728] br0: port 2(veth2) entered disabled state
[ 100.892928][ T730] br0: port 1(veth1) entered disabled state
[ 100.969957][ T731] veth2: left allmulticast mode
[ 100.970924][ T731] veth2: left promiscuous mode
[ 100.971285][ T731] br0: port 2(veth2) entered disabled state
[ 100.972777][ T731] veth1: left allmulticast mode
[ 100.973029][ T731] veth1: left promiscuous mode
[ 100.973345][ T731] br0: port 1(veth1) entered disabled state