[  505.004877] bond0: (slave eth0): making interface the new active one
[  505.004947] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.200749] bond0: (slave eth0): Releasing backup interface
[  509.277632] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.423747] bond0: (slave eth0): Releasing backup interface
[  513.444769] bond0 (unregistering): Released all slaves