[  522.869721] bond0: (slave eth0): making interface the new active one
[  522.869810] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.074142] bond0: (slave eth0): Releasing backup interface
[  527.151483] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.302930] bond0: (slave eth0): Releasing backup interface
[  531.335795] bond0 (unregistering): Released all slaves