[  515.971338] bond0: (slave eth0): making interface the new active one
[  515.971441] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.138985] bond0: (slave eth0): Releasing backup interface
[  520.207488] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.368486] bond0: (slave eth0): Releasing backup interface
[  524.401437] bond0 (unregistering): Released all slaves