[  518.326531] bond0: (slave eth0): making interface the new active one
[  518.326628] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.588584] bond0: (slave eth0): Releasing backup interface
[  522.693707] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.881136] bond0: (slave eth0): Releasing backup interface
[  526.917967] bond0 (unregistering): Released all slaves