[  510.908367] bond0: (slave eth0): making interface the new active one
[  510.908458] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.096763] bond0: (slave eth0): Releasing backup interface
[  515.195577] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.388233] bond0: (slave eth0): Releasing backup interface
[  519.415896] bond0 (unregistering): Released all slaves