[  522.609998] bond0: (slave eth0): making interface the new active one
[  522.610133] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.793116] bond0: (slave eth0): Releasing backup interface
[  526.868529] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.030248] bond0: (slave eth0): Releasing backup interface
[  531.060216] bond0 (unregistering): Released all slaves