[  770.384080] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.387701] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.391134] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.394687] br0: port 1(veth0) entered blocking state
[  770.394731] br0: port 1(veth0) entered disabled state
[  770.394765] veth0: entered allmulticast mode
[  770.394835] veth0: entered promiscuous mode
[  770.398092] br0: port 2(veth1) entered blocking state
[  770.398124] br0: port 2(veth1) entered disabled state
[  770.398157] veth1: entered allmulticast mode
[  770.398209] veth1: entered promiscuous mode
[  770.428688] br0: port 1(veth0) entered blocking state
[  770.428733] br0: port 1(veth0) entered forwarding state
[  770.428784] br0: port 2(veth1) entered blocking state
[  770.428814] br0: port 2(veth1) entered forwarding state
[  772.419690] bond0: (slave veth1): link status definitely up
[  772.419782] bond0: (slave veth1): making interface the new active one
[  772.419838] bond0: active interface up!
[  772.434498] veth1: left allmulticast mode
[  772.434543] veth1: left promiscuous mode
[  772.434572] br0: port 2(veth1) entered disabled state
[  772.434665] veth0: left allmulticast mode
[  772.434685] veth0: left promiscuous mode
[  772.434709] br0: port 1(veth0) entered disabled state
[  772.453831] bond0: (slave veth1): Releasing backup interface
[  772.462783] bond0: (slave veth0): Releasing backup interface
[  772.500753] bond0 (unregistering): Released all slaves