[  513.969522] bond0: (slave eth0): making interface the new active one
[  513.969617] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.233077] bond0: (slave eth0): Releasing backup interface
[  518.346246] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.517930] bond0: (slave eth0): Releasing backup interface
[  522.544939] bond0 (unregistering): Released all slaves