[  523.138075] bond0: (slave eth0): making interface the new active one
[  523.138167] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.308821] bond0: (slave eth0): Releasing backup interface
[  527.373233] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.536924] bond0: (slave eth0): Releasing backup interface
[  531.563884] bond0 (unregistering): Released all slaves