[  518.051731] bond0: (slave eth0): making interface the new active one
[  518.051830] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.269330] bond0: (slave eth0): Releasing backup interface
[  522.385211] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.618046] bond0: (slave eth0): Releasing backup interface
[  526.650998] bond0 (unregistering): Released all slaves