[  518.733733] bond0: (slave eth0): making interface the new active one
[  518.733807] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.968649] bond0: (slave eth0): Releasing backup interface
[  523.059660] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.259343] bond0: (slave eth0): Releasing backup interface
[  527.287306] bond0 (unregistering): Released all slaves