[  510.908637] bond0: (slave eth0): making interface the new active one
[  510.908727] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.095522] bond0: (slave eth0): Releasing backup interface
[  515.177296] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.381999] bond0: (slave eth0): Releasing backup interface
[  519.410890] bond0 (unregistering): Released all slaves