[  770.687586] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.690629] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.693692] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.696613] br0: port 1(veth0) entered blocking state
[  770.696646] br0: port 1(veth0) entered disabled state
[  770.696688] veth0: entered allmulticast mode
[  770.696743] veth0: entered promiscuous mode
[  770.699709] br0: port 2(veth1) entered blocking state
[  770.699772] br0: port 2(veth1) entered disabled state
[  770.699838] veth1: entered allmulticast mode
[  770.699937] veth1: entered promiscuous mode
[  771.706926] br0: port 1(veth0) entered blocking state
[  771.707015] br0: port 1(veth0) entered forwarding state
[  771.707118] br0: port 2(veth1) entered blocking state
[  771.707186] br0: port 2(veth1) entered forwarding state
[  772.730948] bond0: (slave veth0): link status definitely up
[  772.731012] bond0: (slave veth1): link status definitely up
[  772.731091] bond0: (slave veth0): making interface the new active one
[  772.731145] bond0: active interface up!
[  772.842263] veth1: left allmulticast mode
[  772.842307] veth1: left promiscuous mode
[  772.842373] br0: port 2(veth1) entered disabled state
[  772.842461] veth0: left allmulticast mode
[  772.842483] veth0: left promiscuous mode
[  772.842548] br0: port 1(veth0) entered disabled state
[  772.853076] bond0: (slave veth1): Releasing backup interface
[  772.862018] bond0: (slave veth0): Releasing backup interface
[  772.899930] bond0 (unregistering): Released all slaves