[  837.221961] 8021q: adding VLAN 0 to HW filter on device bond0
[  837.225759] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  837.229586] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  837.233312] br0: port 1(veth0) entered blocking state
[  837.233344] br0: port 1(veth0) entered disabled state
[  837.233376] veth0: entered allmulticast mode
[  837.233431] veth0: entered promiscuous mode
[  837.237161] br0: port 2(veth1) entered blocking state
[  837.237194] br0: port 2(veth1) entered disabled state
[  837.237231] veth1: entered allmulticast mode
[  837.237288] veth1: entered promiscuous mode
[  838.273185] br0: port 1(veth0) entered blocking state
[  838.273249] br0: port 1(veth0) entered forwarding state
[  838.273291] br0: port 2(veth1) entered blocking state
[  838.273323] br0: port 2(veth1) entered forwarding state
[  839.299160] bond0: (slave veth0): link status definitely up
[  839.299222] bond0: (slave veth1): link status definitely up
[  839.299290] bond0: (slave veth0): making interface the new active one
[  839.299342] bond0: active interface up!
[  839.407880] veth1: left allmulticast mode
[  839.407922] veth1: left promiscuous mode
[  839.407956] br0: port 2(veth1) entered disabled state
[  839.408089] veth0: left allmulticast mode
[  839.408110] veth0: left promiscuous mode
[  839.408145] br0: port 1(veth0) entered disabled state
[  839.413271] bond0: (slave veth1): Releasing backup interface
[  839.416715] bond0: (slave veth0): Releasing backup interface
[  839.447215] bond0 (unregistering): Released all slaves