[   17.948971] bond0: (slave veth0): Enslaving as a backup interface with a down link
[   18.037661] bond0: (slave veth1): Enslaving as a backup interface with a down link
[   18.099647] br0: port 1(veth0) entered blocking state
[   18.106788] br0: port 1(veth0) entered disabled state
[   18.107008] veth0: entered allmulticast mode
[   18.107270] veth0: entered promiscuous mode
[   18.164207] br0: port 2(veth1) entered blocking state
[   18.170607] br0: port 2(veth1) entered disabled state
[   18.170814] veth1: entered allmulticast mode
[   18.171069] veth1: entered promiscuous mode
[   18.883013] br0: port 1(veth0) entered blocking state
[   18.909211] br0: port 1(veth0) entered forwarding state
[   18.909694] br0: port 2(veth1) entered blocking state
[   18.909752] br0: port 2(veth1) entered forwarding state
[   19.970548] bond0: (slave veth1): link status definitely up
[   19.978222] bond0: (slave veth1): making interface the new active one
[   19.978567] bond0: active interface up!
[   20.174176] veth1: left allmulticast mode
[   20.198552] veth1: left promiscuous mode
[   20.198852] br0: port 2(veth1) entered disabled state
[   20.208212] veth0: left allmulticast mode
[   20.208659] veth0: left promiscuous mode
[   20.208938] br0: port 1(veth0) entered disabled state
[   20.250936] bond0: (slave veth1): Releasing backup interface
[   20.262883] bond0: (slave veth0): Releasing backup interface
[   20.312818] bond0 (unregistering): Released all slaves