[  542.126968] bond0: (slave eth0): making interface the new active one
[  542.127035] bond0: (slave eth0): Enslaving as an active interface with an up link
[  546.320185] bond0: (slave eth0): Releasing backup interface
[  546.399727] bond0: (slave eth0): Enslaving as an active interface with an up link
[  550.540793] bond0: (slave eth0): Releasing backup interface
[  550.572722] bond0 (unregistering): Released all slaves