[  514.210007] bond0: (slave eth0): making interface the new active one
[  514.210077] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.429274] bond0: (slave eth0): Releasing backup interface
[  518.538763] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.712251] bond0: (slave eth0): Releasing backup interface
[  522.737113] bond0 (unregistering): Released all slaves