[  508.925555] bond0: (slave eth0): making interface the new active one
[  508.925656] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.172516] bond0: (slave eth0): Releasing backup interface
[  513.275986] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.465829] bond0: (slave eth0): Releasing backup interface
[  517.495845] bond0 (unregistering): Released all slaves