[  523.407411] bond0: (slave eth0): making interface the new active one
[  523.407486] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.565239] bond0: (slave eth0): Releasing backup interface
[  527.648753] bond0: (slave eth0): Enslaving as an active interface with an up link
[  531.789732] bond0: (slave eth0): Releasing backup interface
[  531.809707] bond0 (unregistering): Released all slaves