[  770.726592] 8021q: adding VLAN 0 to HW filter on device bond0
[  770.729939] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  770.733140] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  770.736364] br0: port 1(veth0) entered blocking state
[  770.736429] br0: port 1(veth0) entered disabled state
[  770.736499] veth0: entered allmulticast mode
[  770.736597] veth0: entered promiscuous mode
[  770.739884] br0: port 2(veth1) entered blocking state
[  770.739923] br0: port 2(veth1) entered disabled state
[  770.739959] veth1: entered allmulticast mode
[  770.740014] veth1: entered promiscuous mode
[  770.885170] br0: port 1(veth0) entered blocking state
[  770.885221] br0: port 1(veth0) entered forwarding state
[  770.885281] br0: port 2(veth1) entered blocking state
[  770.885312] br0: port 2(veth1) entered forwarding state
[  772.806155] bond0: (slave veth1): link status definitely up
[  772.806253] bond0: (slave veth1): making interface the new active one
[  772.806313] bond0: active interface up!
[  772.892414] veth1: left allmulticast mode
[  772.892455] veth1: left promiscuous mode
[  772.892553] br0: port 2(veth1) entered disabled state
[  772.892647] veth0: left allmulticast mode
[  772.892702] veth0: left promiscuous mode
[  772.892740] br0: port 1(veth0) entered disabled state
[  772.904300] bond0: (slave veth1): Releasing backup interface
[  772.912238] bond0: (slave veth0): Releasing backup interface
[  772.946163] bond0 (unregistering): Released all slaves