[  513.734513] bond0: (slave eth0): making interface the new active one
[  513.734581] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.976680] bond0: (slave eth0): Releasing backup interface
[  518.090440] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.265356] bond0: (slave eth0): Releasing backup interface
[  522.288962] bond0 (unregistering): Released all slaves