[  874.106492] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.110013] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.113416] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.116838] br0: port 1(veth0) entered blocking state
[  874.116902] br0: port 1(veth0) entered disabled state
[  874.116962] veth0: entered allmulticast mode
[  874.117059] veth0: entered promiscuous mode
[  874.120431] br0: port 2(veth1) entered blocking state
[  874.120452] br0: port 2(veth1) entered disabled state
[  874.120475] veth1: entered allmulticast mode
[  874.120515] veth1: entered promiscuous mode
[  874.139037] br0: port 1(veth0) entered blocking state
[  874.139062] br0: port 1(veth0) entered forwarding state
[  874.139091] br0: port 2(veth1) entered blocking state
[  874.139108] br0: port 2(veth1) entered forwarding state
[  876.178045] bond0: (slave veth1): link status definitely up
[  876.178141] bond0: (slave veth1): making interface the new active one
[  876.178185] bond0: active interface up!
[  876.282558] veth1: left allmulticast mode
[  876.282593] veth1: left promiscuous mode
[  876.282620] br0: port 2(veth1) entered disabled state
[  876.282791] veth0: left allmulticast mode
[  876.282813] veth0: left promiscuous mode
[  876.282832] br0: port 1(veth0) entered disabled state
[  876.290277] bond0: (slave veth1): Releasing backup interface
[  876.296178] bond0: (slave veth0): Releasing backup interface
[  876.323079] bond0 (unregistering): Released all slaves