[  515.833456] bond0: (slave eth0): making interface the new active one
[  515.833567] bond0: (slave eth0): Enslaving as an active interface with an up link
[  520.091449] bond0: (slave eth0): Releasing backup interface
[  520.189946] bond0: (slave eth0): Enslaving as an active interface with an up link
[  524.369838] bond0: (slave eth0): Releasing backup interface
[  524.416866] bond0 (unregistering): Released all slaves