[  523.442029] bond0: (slave eth0): making interface the new active one
[  523.442116] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.650205] bond0: (slave eth0): Releasing backup interface
[  527.720463] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.881396] bond0: (slave eth0): Releasing backup interface
[  531.921329] bond0 (unregistering): Released all slaves