[  513.575317] bond0: (slave eth0): making interface the new active one
[  513.575401] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.777974] bond0: (slave eth0): Releasing backup interface
[  517.860311] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.002437] bond0: (slave eth0): Releasing backup interface
[  522.026259] bond0 (unregistering): Released all slaves