[  523.238546] bond0: (slave eth0): making interface the new active one
[  523.238635] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.440740] bond0: (slave eth0): Releasing backup interface
[  527.505160] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.674680] bond0: (slave eth0): Releasing backup interface
[  531.698231] bond0 (unregistering): Released all slaves