[  517.867885] bond0: (slave eth0): making interface the new active one
[  517.867974] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.078100] bond0: (slave eth0): Releasing backup interface
[  522.177277] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.356424] bond0: (slave eth0): Releasing backup interface
[  526.390270] bond0 (unregistering): Released all slaves