[  507.259876] bond0: (slave eth0): making interface the new active one
[  507.259996] bond0: (slave eth0): Enslaving as an active interface with an up link
[  511.435805] bond0: (slave eth0): Releasing backup interface
[  511.514745] bond0: (slave eth0): Enslaving as an active interface with an up link
[  515.663030] bond0: (slave eth0): Releasing backup interface
[  515.696362] bond0 (unregistering): Released all slaves