[  517.777700] bond0: (slave eth0): making interface the new active one
[  517.777774] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.009615] bond0: (slave eth0): Releasing backup interface
[  522.121490] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.298807] bond0: (slave eth0): Releasing backup interface
[  526.326576] bond0 (unregistering): Released all slaves