[  518.731736] bond0: (slave eth0): making interface the new active one
[  518.731819] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.969403] bond0: (slave eth0): Releasing backup interface
[  523.090121] bond0: (slave eth0): Enslaving as an active interface with an up link
[  527.260088] bond0: (slave eth0): Releasing backup interface
[  527.293042] bond0 (unregistering): Released all slaves