[  507.390389] bond0: (slave eth0): making interface the new active one
[  507.390498] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.577765] bond0: (slave eth0): Releasing backup interface
[  511.658305] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.803594] bond0: (slave eth0): Releasing backup interface
[  515.827515] bond0 (unregistering): Released all slaves