[  518.119268] bond0: (slave eth0): making interface the new active one
[  518.119358] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.324704] bond0: (slave eth0): Releasing backup interface
[  522.405470] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.548330] bond0: (slave eth0): Releasing backup interface
[  526.580298] bond0 (unregistering): Released all slaves