[  770.344986] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.348261] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.351296] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.354253] br0: port 1(veth0) entered blocking state
[  770.354325] br0: port 1(veth0) entered disabled state
[  770.354392] veth0: entered allmulticast mode
[  770.354487] veth0: entered promiscuous mode
[  770.357447] br0: port 2(veth1) entered blocking state
[  770.357484] br0: port 2(veth1) entered disabled state
[  770.357528] veth1: entered allmulticast mode
[  770.357579] veth1: entered promiscuous mode
[  771.388565] br0: port 1(veth0) entered blocking state
[  771.388628] br0: port 1(veth0) entered forwarding state
[  771.388684] br0: port 2(veth1) entered blocking state
[  771.388715] br0: port 2(veth1) entered forwarding state
[  772.412555] bond0: (slave veth1): link status definitely up
[  772.412648] bond0: (slave veth1): making interface the new active one
[  772.412705] bond0: active interface up!
[  772.497838] veth1: left allmulticast mode
[  772.497884] veth1: left promiscuous mode
[  772.497920] br0: port 2(veth1) entered disabled state
[  772.498109] veth0: left allmulticast mode
[  772.498132] veth0: left promiscuous mode
[  772.498164] br0: port 1(veth0) entered disabled state
[  772.516692] bond0: (slave veth1): Releasing backup interface
[  772.523653] bond0: (slave veth0): Releasing backup interface
[  772.561572] bond0 (unregistering): Released all slaves