[  540.142967] bond0: (slave eth0): making interface the new active one
[  540.143054] bond0: (slave eth0): Enslaving as an active interface with an up link
[  544.338599] bond0: (slave eth0): Releasing backup interface
[  544.426843] bond0: (slave eth0): Enslaving as an active interface with an up link
[  548.635695] bond0: (slave eth0): Releasing backup interface
[  548.658641] bond0 (unregistering): Released all slaves