[  507.200344] bond0: (slave eth0): making interface the new active one
[  507.200429] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.448504] bond0: (slave eth0): Releasing backup interface
[  511.560661] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.734918] bond0: (slave eth0): Releasing backup interface
[  515.770815] bond0 (unregistering): Released all slaves