[  517.978032] bond0: (slave eth0): making interface the new active one
[  517.978104] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.190513] bond0: (slave eth0): Releasing backup interface
[  522.277330] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.479903] bond0: (slave eth0): Releasing backup interface
[  526.511852] bond0 (unregistering): Released all slaves