[  518.669680] bond0: (slave eth0): making interface the new active one
[  518.669773] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.911857] bond0: (slave eth0): Releasing backup interface
[  523.009441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.197004] bond0: (slave eth0): Releasing backup interface
[  527.229914] bond0 (unregistering): Released all slaves