[  513.261233] bond0: (slave eth0): making interface the new active one
[  513.261324] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.454347] bond0: (slave eth0): Releasing backup interface
[  517.516569] bond0: (slave eth0): Enslaving as an active interface with an up link
[  521.685674] bond0: (slave eth0): Releasing backup interface
[  521.708306] bond0 (unregistering): Released all slaves