[  507.707442] bond0: (slave eth0): making interface the new active one
[  507.707542] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.966307] bond0: (slave eth0): Releasing backup interface
[  512.084179] bond0: (slave eth0): Enslaving as an active interface with an up link
[  516.307017] bond0: (slave eth0): Releasing backup interface
[  516.342013] bond0 (unregistering): Released all slaves