[  507.205464] bond0: (slave eth0): making interface the new active one
[  507.205566] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.377738] bond0: (slave eth0): Releasing backup interface
[  511.459107] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.608434] bond0: (slave eth0): Releasing backup interface
[  515.635343] bond0 (unregistering): Released all slaves