[  518.735181] bond0: (slave eth0): making interface the new active one
[  518.735254] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.970103] bond0: (slave eth0): Releasing backup interface
[  523.090290] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.317061] bond0: (slave eth0): Releasing backup interface
[  527.340960] bond0 (unregistering): Released all slaves