[  505.361217] bond0: (slave eth0): making interface the new active one
[  505.361308] bond0: (slave eth0): Enslaving as an active interface with an up link
[  509.591872] bond0: (slave eth0): Releasing backup interface
[  509.693984] bond0: (slave eth0): Enslaving as an active interface with an up link
[  513.873905] bond0: (slave eth0): Releasing backup interface
[  513.906945] bond0 (unregistering): Released all slaves