[  523.299889] bond0: (slave eth0): making interface the new active one
[  523.299967] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.499634] bond0: (slave eth0): Releasing backup interface
[  527.562768] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.723257] bond0: (slave eth0): Releasing backup interface
[  531.760182] bond0 (unregistering): Released all slaves