[  523.503626] bond0: (slave eth0): making interface the new active one
[  523.503706] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.692445] bond0: (slave eth0): Releasing backup interface
[  527.762546] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.915425] bond0: (slave eth0): Releasing backup interface
[  531.946391] bond0 (unregistering): Released all slaves