[  505.750438] bond0: (slave eth0): making interface the new active one
[  505.750535] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.969075] bond0: (slave eth0): Releasing backup interface
[  510.053306] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.254851] bond0: (slave eth0): Releasing backup interface
[  514.278802] bond0 (unregistering): Released all slaves