[  505.856722] bond0: (slave eth0): making interface the new active one
[  505.856808] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.037479] bond0: (slave eth0): Releasing backup interface
[  510.138655] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.332739] bond0: (slave eth0): Releasing backup interface
[  514.364792] bond0 (unregistering): Released all slaves