[  521.527688] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.544317] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.559617] br0: port 1(veth0) entered blocking state
[  521.559683] br0: port 1(veth0) entered disabled state
[  521.559737] veth0: entered allmulticast mode
[  521.559818] veth0: entered promiscuous mode
[  521.576103] br0: port 2(veth1) entered blocking state
[  521.576170] br0: port 2(veth1) entered disabled state
[  521.576218] veth1: entered allmulticast mode
[  521.576298] veth1: entered promiscuous mode
[  521.661658] br0: port 1(veth0) entered blocking state
[  521.661769] br0: port 1(veth0) entered forwarding state
[  521.661846] br0: port 2(veth1) entered blocking state
[  521.661897] br0: port 2(veth1) entered forwarding state
[  523.579731] bond0: (slave veth1): link status definitely up
[  523.579870] bond0: (slave veth1): making interface the new active one
[  523.579957] bond0: active interface up!
[  523.676789] veth1: left allmulticast mode
[  523.676862] veth1: left promiscuous mode
[  523.676928] br0: port 2(veth1) entered disabled state
[  523.677063] veth0: left allmulticast mode
[  523.677108] veth0: left promiscuous mode
[  523.677161] br0: port 1(veth0) entered disabled state
[  523.700678] bond0: (slave veth1): Releasing backup interface
[  523.706926] bond0: (slave veth0): Releasing backup interface