[  874.028597] 8021q: adding VLAN 0 to HW filter on device bond0
[  874.032363] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  874.036173] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  874.039785] br0: port 1(veth0) entered blocking state
[  874.039815] br0: port 1(veth0) entered disabled state
[  874.039851] veth0: entered allmulticast mode
[  874.039911] veth0: entered promiscuous mode
[  874.043592] br0: port 2(veth1) entered blocking state
[  874.043624] br0: port 2(veth1) entered disabled state
[  874.043648] veth1: entered allmulticast mode
[  874.043701] veth1: entered promiscuous mode
[  874.163532] br0: port 1(veth0) entered blocking state
[  874.163572] br0: port 1(veth0) entered forwarding state
[  874.163620] br0: port 2(veth1) entered blocking state
[  874.163647] br0: port 2(veth1) entered forwarding state
[  876.108513] bond0: (slave veth1): link status definitely up
[  876.108602] bond0: (slave veth1): making interface the new active one
[  876.108666] bond0: active interface up!
[  876.216064] veth1: left allmulticast mode
[  876.216108] veth1: left promiscuous mode
[  876.216146] br0: port 2(veth1) entered disabled state
[  876.216319] veth0: left allmulticast mode
[  876.216351] veth0: left promiscuous mode
[  876.216382] br0: port 1(veth0) entered disabled state
[  876.225816] bond0: (slave veth1): Releasing backup interface
[  876.230632] bond0: (slave veth0): Releasing backup interface
[  876.272562] bond0 (unregistering): Released all slaves