[  771.286930] 8021q: adding VLAN 0 to HW filter on device bond0
[  771.290019] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  771.293005] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  771.296013] br0: port 1(veth0) entered blocking state
[  771.296047] br0: port 1(veth0) entered disabled state
[  771.296077] veth0: entered allmulticast mode
[  771.296125] veth0: entered promiscuous mode
[  771.299078] br0: port 2(veth1) entered blocking state
[  771.299137] br0: port 2(veth1) entered disabled state
[  771.299215] veth1: entered allmulticast mode
[  771.299304] veth1: entered promiscuous mode
[  771.566220] br0: port 1(veth0) entered blocking state
[  771.566297] br0: port 1(veth0) entered forwarding state
[  771.566383] br0: port 2(veth1) entered blocking state
[  771.566450] br0: port 2(veth1) entered forwarding state
[  773.319235] bond0: (slave veth1): link status definitely up
[  773.319344] bond0: (slave veth1): making interface the new active one
[  773.319440] bond0: active interface up!
[  773.338732] veth1: left allmulticast mode
[  773.338791] veth1: left promiscuous mode
[  773.338880] br0: port 2(veth1) entered disabled state
[  773.339027] veth0: left allmulticast mode
[  773.339081] veth0: left promiscuous mode
[  773.339138] br0: port 1(veth0) entered disabled state
[  773.350377] bond0: (slave veth1): Releasing backup interface
[  773.353361] bond0: (slave veth0): Releasing backup interface
[  773.382253] bond0 (unregistering): Released all slaves