[  518.663821] bond0: (slave eth0): making interface the new active one
[  518.663897] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.838615] bond0: (slave eth0): Releasing backup interface
[  522.924398] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.067250] bond0: (slave eth0): Releasing backup interface
[  527.086204] bond0 (unregistering): Released all slaves