[  518.652475] bond0: (slave eth0): making interface the new active one
[  518.652580] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.827545] bond0: (slave eth0): Releasing backup interface
[  522.900955] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.055166] bond0: (slave eth0): Releasing backup interface
[  527.086214] bond0 (unregistering): Released all slaves