[  518.738499] bond0: (slave eth0): making interface the new active one
[  518.738567] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.983554] bond0: (slave eth0): Releasing backup interface
[  523.099370] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.324292] bond0: (slave eth0): Releasing backup interface
[  527.353181] bond0 (unregistering): Released all slaves