[  518.581721] bond0: (slave eth0): making interface the new active one
[  518.581807] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.780796] bond0: (slave eth0): Releasing backup interface
[  522.896359] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.125022] bond0: (slave eth0): Releasing backup interface
[  527.159927] bond0 (unregistering): Released all slaves