[  513.133099] bond0: (slave eth0): making interface the new active one
[  513.133179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.323514] bond0: (slave eth0): Releasing backup interface
[  517.393126] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.548183] bond0: (slave eth0): Releasing backup interface
[  521.581291] bond0 (unregistering): Released all slaves