[  521.462876] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.475596] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.489154] br0: port 1(veth0) entered blocking state
[  521.489208] br0: port 1(veth0) entered disabled state
[  521.489247] veth0: entered allmulticast mode
[  521.489305] veth0: entered promiscuous mode
[  521.501895] br0: port 2(veth1) entered blocking state
[  521.501952] br0: port 2(veth1) entered disabled state
[  521.502004] veth1: entered allmulticast mode
[  521.502080] veth1: entered promiscuous mode
[  521.523712] br0: port 1(veth0) entered blocking state
[  521.523771] br0: port 1(veth0) entered forwarding state
[  522.554809] br0: port 2(veth1) entered blocking state
[  522.554913] br0: port 2(veth1) entered forwarding state
[  524.538765] bond0: (slave veth0): link status definitely up
[  524.538863] bond0: (slave veth1): link status definitely up
[  524.538897] bond0: (slave veth0): making interface the new active one
[  524.538952] bond0: active interface up!
[  524.628770] veth1: left allmulticast mode
[  524.628831] veth1: left promiscuous mode
[  524.628884] br0: port 2(veth1) entered disabled state
[  524.628995] veth0: left allmulticast mode
[  524.629034] veth0: left promiscuous mode
[  524.629079] br0: port 1(veth0) entered disabled state
[  524.655027] bond0: (slave veth1): Releasing backup interface
[  524.664947] bond0: (slave veth0): Releasing backup interface
[  524.692915] bond0 (unregistering): Released all slaves