[  503.133570] bond0: (slave eth0): making interface the new active one
[  503.133642] bond0: (slave eth0): Enslaving as an active interface with an up link
[  507.345531] bond0: (slave eth0): Releasing backup interface
[  507.433322] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.631678] bond0: (slave eth0): Releasing backup interface
[  511.659612] bond0 (unregistering): Released all slaves