[  513.607843] bond0: (slave eth0): making interface the new active one
[  513.607918] bond0: (slave eth0): Enslaving as an active interface with an up link
[  517.853877] bond0: (slave eth0): Releasing backup interface
[  517.971982] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.202166] bond0: (slave eth0): Releasing backup interface
[  522.225087] bond0 (unregistering): Released all slaves