[  506.686533] bond0: (slave eth0): making interface the new active one
[  506.686615] bond0: (slave eth0): Enslaving as an active interface with an up link
[  510.856615] bond0: (slave eth0): Releasing backup interface
[  510.928949] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.089286] bond0: (slave eth0): Releasing backup interface
[  515.119415] bond0 (unregistering): Released all slaves