[  522.393213] bond0: (slave eth0): making interface the new active one
[  522.393325] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.605004] bond0: (slave eth0): Releasing backup interface
[  526.689071] bond0: (slave eth0): Enslaving as an active interface with an up link
[  530.834190] bond0: (slave eth0): Releasing backup interface
[  530.876169] bond0 (unregistering): Released all slaves