[  514.885121] bond0: (slave eth0): making interface the new active one
[  514.885199] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.068250] bond0: (slave eth0): Releasing backup interface
[  519.182877] bond0: (slave eth0): Enslaving as an active interface with an up link
[  523.354093] bond0: (slave eth0): Releasing backup interface
[  523.383022] bond0 (unregistering): Released all slaves