[  550.593619] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  550.609042] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  550.623605] br0: port 1(veth0) entered blocking state
[  550.623676] br0: port 1(veth0) entered disabled state
[  550.623734] veth0: entered allmulticast mode
[  550.623813] veth0: entered promiscuous mode
[  550.638960] br0: port 2(veth1) entered blocking state
[  550.639027] br0: port 2(veth1) entered disabled state
[  550.639074] veth1: entered allmulticast mode
[  550.639148] veth1: entered promiscuous mode
[  550.687508] br0: port 1(veth0) entered blocking state
[  550.687602] br0: port 1(veth0) entered forwarding state
[  550.687698] br0: port 2(veth1) entered blocking state
[  550.687761] br0: port 2(veth1) entered forwarding state
[  552.630537] bond0: (slave veth1): link status definitely up
[  552.630662] bond0: (slave veth1): making interface the new active one
[  552.630735] bond0: active interface up!
[  552.719668] veth1: left allmulticast mode
[  552.719718] veth1: left promiscuous mode
[  552.719760] br0: port 2(veth1) entered disabled state
[  552.719845] veth0: left allmulticast mode
[  552.719871] veth0: left promiscuous mode
[  552.719902] br0: port 1(veth0) entered disabled state
[  552.748710] bond0: (slave veth1): Releasing backup interface
[  552.756621] bond0: (slave veth0): Releasing backup interface
[  552.774643] bond0 (unregistering): Released all slaves