[  517.867138] bond0: (slave eth0): making interface the new active one
[  517.867264] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.065257] bond0: (slave eth0): Releasing backup interface
[  522.151538] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.297943] bond0: (slave eth0): Releasing backup interface
[  526.328426] bond0 (unregistering): Released all slaves