[  517.922808] bond0: (slave eth0): making interface the new active one
[  517.922885] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.119105] bond0: (slave eth0): Releasing backup interface
[  522.194375] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.353386] bond0: (slave eth0): Releasing backup interface
[  526.388318] bond0 (unregistering): Released all slaves