[  523.103107] bond0: (slave eth0): making interface the new active one
[  523.103172] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.244456] bond0: (slave eth0): Releasing backup interface
[  527.310069] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.474663] bond0: (slave eth0): Releasing backup interface
[  531.506682] bond0 (unregistering): Released all slaves