[  505.690819] bond0: (slave eth0): making interface the new active one
[  505.690952] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.841485] bond0: (slave eth0): Releasing backup interface
[  509.913815] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.067566] bond0: (slave eth0): Releasing backup interface
[  514.095306] bond0 (unregistering): Released all slaves