[  510.798839] bond0: (slave eth0): making interface the new active one
[  510.798930] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.037199] bond0: (slave eth0): Releasing backup interface
[  515.137753] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.316059] bond0: (slave eth0): Releasing backup interface
[  519.344015] bond0 (unregistering): Released all slaves