[  508.744540] bond0: (slave eth0): making interface the new active one
[  508.744811] bond0: (slave eth0): Enslaving as an active interface with an up link
[  512.988888] bond0: (slave eth0): Releasing backup interface
[  513.097137] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.276329] bond0: (slave eth0): Releasing backup interface
[  517.305214] bond0 (unregistering): Released all slaves