[  768.941737] 8021q: adding VLAN 0 to HW filter on device bond0
[  768.944604] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  768.947432] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  768.950234] br0: port 1(veth0) entered blocking state
[  768.950266] br0: port 1(veth0) entered disabled state
[  768.950301] veth0: entered allmulticast mode
[  768.950354] veth0: entered promiscuous mode
[  768.953116] br0: port 2(veth1) entered blocking state
[  768.953199] br0: port 2(veth1) entered disabled state
[  768.953265] veth1: entered allmulticast mode
[  768.953354] veth1: entered promiscuous mode
[  769.982160] br0: port 1(veth0) entered blocking state
[  769.982222] br0: port 1(veth0) entered forwarding state
[  769.982260] br0: port 2(veth1) entered blocking state
[  769.982295] br0: port 2(veth1) entered forwarding state
[  771.007155] bond0: (slave veth1): link status definitely up
[  771.007233] bond0: (slave veth1): making interface the new active one
[  771.007291] bond0: active interface up!
[  771.079148] veth1: left allmulticast mode
[  771.079175] veth1: left promiscuous mode
[  771.079207] br0: port 2(veth1) entered disabled state
[  771.079338] veth0: left allmulticast mode
[  771.079360] veth0: left promiscuous mode
[  771.079385] br0: port 1(veth0) entered disabled state
[  771.085351] bond0: (slave veth1): Releasing backup interface
[  771.090259] bond0: (slave veth0): Releasing backup interface
[  771.120168] bond0 (unregistering): Released all slaves