[  539.048839] bond0: (slave eth0): making interface the new active one
[  539.048916] bond0: (slave eth0): Enslaving as an active interface with an up link
[  543.250715] bond0: (slave eth0): Releasing backup interface
[  543.332195] bond0: (slave eth0): Enslaving as an active interface with an up link
[  547.734774] bond0: (slave eth0): Releasing backup interface
[  547.759734] bond0 (unregistering): Released all slaves