[  511.016047] bond0: (slave eth0): making interface the new active one
[  511.016175] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.216417] bond0: (slave eth0): Releasing backup interface
[  515.300691] bond0: (slave eth0): Enslaving as an active interface with an up link
[  519.442337] bond0: (slave eth0): Releasing backup interface
[  519.478207] bond0 (unregistering): Released all slaves