[  523.497743] bond0: (slave eth0): making interface the new active one
[  523.497861] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.695309] bond0: (slave eth0): Releasing backup interface
[  527.777778] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.920999] bond0: (slave eth0): Releasing backup interface
[  531.948155] bond0 (unregistering): Released all slaves