[  900.705797] 8021q: adding VLAN 0 to HW filter on device bond0
[  900.709270] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  900.712624] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  900.715952] br0: port 1(veth0) entered blocking state
[  900.715987] br0: port 1(veth0) entered disabled state
[  900.716025] veth0: entered allmulticast mode
[  900.716077] veth0: entered promiscuous mode
[  900.719396] br0: port 2(veth1) entered blocking state
[  900.719437] br0: port 2(veth1) entered disabled state
[  900.719466] veth1: entered allmulticast mode
[  900.719517] veth1: entered promiscuous mode
[  901.706218] br0: port 1(veth0) entered blocking state
[  901.706271] br0: port 1(veth0) entered forwarding state
[  901.706319] br0: port 2(veth1) entered blocking state
[  901.706351] br0: port 2(veth1) entered forwarding state
[  902.793192] bond0: (slave veth1): link status definitely up
[  902.793285] bond0: (slave veth1): making interface the new active one
[  902.793343] bond0: active interface up!
[  902.886109] veth1: left allmulticast mode
[  902.886152] veth1: left promiscuous mode
[  902.886190] br0: port 2(veth1) entered disabled state
[  902.886267] veth0: left allmulticast mode
[  902.886323] veth0: left promiscuous mode
[  902.886358] br0: port 1(veth0) entered disabled state
[  902.897332] bond0: (slave veth1): Releasing backup interface
[  902.905284] bond0: (slave veth0): Releasing backup interface
[  902.938218] bond0 (unregistering): Released all slaves