[  523.007736] bond0: (slave eth0): making interface the new active one
[  523.007851] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.184134] bond0: (slave eth0): Releasing backup interface
[  527.262921] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.411377] bond0: (slave eth0): Releasing backup interface
[  531.440272] bond0 (unregistering): Released all slaves