[  505.401288] bond0: (slave eth0): making interface the new active one
[  505.401379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.586160] bond0: (slave eth0): Releasing backup interface
[  509.675379] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.871698] bond0: (slave eth0): Releasing backup interface
[  513.898638] bond0 (unregistering): Released all slaves