[  523.189858] bond0: (slave eth0): making interface the new active one
[  523.189965] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.368525] bond0: (slave eth0): Releasing backup interface
[  527.429610] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.597993] bond0: (slave eth0): Releasing backup interface
[  531.630003] bond0 (unregistering): Released all slaves