[  517.870151] bond0: (slave eth0): making interface the new active one
[  517.870263] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.057418] bond0: (slave eth0): Releasing backup interface
[  522.126629] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.285214] bond0: (slave eth0): Releasing backup interface
[  526.309144] bond0 (unregistering): Released all slaves