[  513.831092] bond0: (slave eth0): making interface the new active one
[  513.831162] bond0: (slave eth0): Enslaving as an active interface with an up link
[  518.038938] bond0: (slave eth0): Releasing backup interface
[  518.138777] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.324926] bond0: (slave eth0): Releasing backup interface
[  522.352852] bond0 (unregistering): Released all slaves