[  513.282504] bond0: (slave eth0): making interface the new active one
[  513.282577] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.537195] bond0: (slave eth0): Releasing backup interface
[  517.644883] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.816217] bond0: (slave eth0): Releasing backup interface
[  521.845224] bond0 (unregistering): Released all slaves