[  505.843712] bond0: (slave eth0): making interface the new active one
[  505.843803] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.027002] bond0: (slave eth0): Releasing backup interface
[  510.116001] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.317506] bond0: (slave eth0): Releasing backup interface
[  514.349406] bond0 (unregistering): Released all slaves