[  876.472042] 8021q: adding VLAN 0 to HW filter on device bond0
[  876.475443] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  876.478889] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  876.482144] br0: port 1(veth0) entered blocking state
[  876.482176] br0: port 1(veth0) entered disabled state
[  876.482214] veth0: entered allmulticast mode
[  876.482269] veth0: entered promiscuous mode
[  876.485627] br0: port 2(veth1) entered blocking state
[  876.485660] br0: port 2(veth1) entered disabled state
[  876.485694] veth1: entered allmulticast mode
[  876.485744] veth1: entered promiscuous mode
[  876.503615] br0: port 1(veth0) entered blocking state
[  876.503664] br0: port 1(veth0) entered forwarding state
[  876.503708] br0: port 2(veth1) entered blocking state
[  876.503741] br0: port 2(veth1) entered forwarding state
[  878.542621] bond0: (slave veth1): link status definitely up
[  878.542714] bond0: (slave veth1): making interface the new active one
[  878.542771] bond0: active interface up!