[  522.546069] bond0: (slave eth0): making interface the new active one
[  522.546208] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.736902] bond0: (slave eth0): Releasing backup interface
[  526.817731] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.965568] bond0: (slave eth0): Releasing backup interface
[  530.984544] bond0 (unregistering): Released all slaves