[  770.081280] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.084358] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.087351] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.090313] br0: port 1(veth0) entered blocking state
[  770.090385] br0: port 1(veth0) entered disabled state
[  770.090451] veth0: entered allmulticast mode
[  770.090542] veth0: entered promiscuous mode
[  770.093502] br0: port 2(veth1) entered blocking state
[  770.093534] br0: port 2(veth1) entered disabled state
[  770.093568] veth1: entered allmulticast mode
[  770.093622] veth1: entered promiscuous mode
[  771.129946] br0: port 1(veth0) entered blocking state
[  771.129995] br0: port 1(veth0) entered forwarding state
[  771.130040] br0: port 2(veth1) entered blocking state
[  771.130072] br0: port 2(veth1) entered forwarding state
[  772.154937] bond0: (slave veth1): link status definitely up
[  772.155037] bond0: (slave veth1): making interface the new active one
[  772.155130] bond0: active interface up!
[  772.231370] veth1: left allmulticast mode
[  772.231467] veth1: left promiscuous mode
[  772.231529] br0: port 2(veth1) entered disabled state
[  772.231679] veth0: left allmulticast mode
[  772.231763] veth0: left promiscuous mode
[  772.231824] br0: port 1(veth0) entered disabled state
[  772.249071] bond0: (slave veth1): Releasing backup interface
[  772.256070] bond0: (slave veth0): Releasing backup interface
[  772.289975] bond0 (unregistering): Released all slaves