[  531.239005] bond0: (slave eth0): making interface the new active one
[  531.239068] bond0: (slave eth0): Enslaving as an active interface with an up link
[  535.445867] bond0: (slave eth0): Releasing backup interface
[  535.546110] bond0: (slave eth0): Enslaving as an active interface with an up link
[  539.727739] bond0: (slave eth0): Releasing backup interface
[  539.752742] bond0 (unregistering): Released all slaves