[  521.334352] bond0: (slave veth0): Enslaving as a backup interface with a down link
[  521.348841] bond0: (slave veth1): Enslaving as a backup interface with a down link
[  521.363451] br0: port 1(veth0) entered blocking state
[  521.363508] br0: port 1(veth0) entered disabled state
[  521.363554] veth0: entered allmulticast mode
[  521.363623] veth0: entered promiscuous mode
[  521.379385] br0: port 2(veth1) entered blocking state
[  521.379459] br0: port 2(veth1) entered disabled state
[  521.379517] veth1: entered allmulticast mode
[  521.379598] veth1: entered promiscuous mode
[  522.298835] br0: port 1(veth0) entered blocking state
[  522.298924] br0: port 1(veth0) entered forwarding state
[  522.298991] br0: port 2(veth1) entered blocking state
[  522.299030] br0: port 2(veth1) entered forwarding state
[  523.386850] bond0: (slave veth1): link status definitely up
[  523.386969] bond0: (slave veth1): making interface the new active one
[  523.387053] bond0: active interface up!
[  523.492061] veth1: left allmulticast mode
[  523.492111] veth1: left promiscuous mode
[  523.492155] br0: port 2(veth1) entered disabled state
[  523.492260] veth0: left allmulticast mode
[  523.492310] veth0: left promiscuous mode
[  523.492344] br0: port 1(veth0) entered disabled state
[  523.514417] bond0: (slave veth1): Releasing backup interface
[  523.518007] bond0: (slave veth0): Releasing backup interface
[  523.548052] bond0 (unregistering): Released all slaves