[  518.689867] bond0: (slave eth0): making interface the new active one
[  518.689940] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.825538] bond0: (slave eth0): Releasing backup interface
[  522.891787] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.049889] bond0: (slave eth0): Releasing backup interface
[  527.072840] bond0 (unregistering): Released all slaves