[  510.628231] bond0: (slave eth0): making interface the new active one
[  510.628310] bond0: (slave eth0): Enslaving as an active interface with an up link
[  514.840939] bond0: (slave eth0): Releasing backup interface
[  514.957052] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.134125] bond0: (slave eth0): Releasing backup interface
[  519.172978] bond0 (unregistering): Released all slaves