[  518.189615] bond0: (slave eth0): making interface the new active one
[  518.189715] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.389564] bond0: (slave eth0): Releasing backup interface
[  522.456101] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.624698] bond0: (slave eth0): Releasing backup interface
[  526.658333] bond0 (unregistering): Released all slaves