[   12.286065] bond0: (slave eth0): making interface the new active one
[   12.286203] bond0: (slave eth0): Enslaving as an active interface with an up link
[   16.384925] bond0: (slave eth0): Releasing backup interface
[   16.408407] bond0: (slave eth0): Enslaving as an active interface with an up link
[   20.548520] bond0: (slave eth0): Releasing backup interface
[   20.579318] bond0 (unregistering): Released all slaves