[  522.124566] bond0: (slave eth0): making interface the new active one
[  522.124633] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.282727] bond0: (slave eth0): Releasing backup interface
[  526.353640] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.506454] bond0: (slave eth0): Releasing backup interface
[  530.537443] bond0 (unregistering): Released all slaves