[  521.082444] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.092605] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.102728] br0: port 1(veth0) entered blocking state
[  521.102825] br0: port 1(veth0) entered disabled state
[  521.102897] veth0: entered allmulticast mode
[  521.102993] veth0: entered promiscuous mode
[  521.112797] br0: port 2(veth1) entered blocking state
[  521.112863] br0: port 2(veth1) entered disabled state
[  521.112955] veth1: entered allmulticast mode
[  521.113050] veth1: entered promiscuous mode
[  522.109233] br0: port 1(veth0) entered blocking state
[  522.109320] br0: port 1(veth0) entered forwarding state
[  522.109411] br0: port 2(veth1) entered blocking state
[  522.109459] br0: port 2(veth1) entered forwarding state
[  524.157180] bond0: (slave veth0): link status definitely up
[  524.157324] bond0: (slave veth1): link status definitely up
[  524.157378] bond0: (slave veth0): making interface the new active one
[  524.157465] bond0: active interface up!
[  524.268600] veth1: left allmulticast mode
[  524.268664] veth1: left promiscuous mode
[  524.268740] br0: port 2(veth1) entered disabled state
[  524.268859] veth0: left allmulticast mode
[  524.268893] veth0: left promiscuous mode
[  524.268932] br0: port 1(veth0) entered disabled state
[  524.295476] bond0: (slave veth1): Releasing backup interface
[  524.309556] bond0: (slave veth0): Releasing backup interface