[  518.417381] bond0: (slave eth0): making interface the new active one
[  518.417498] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.595647] bond0: (slave eth0): Releasing backup interface
[  522.662217] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.823350] bond0: (slave eth0): Releasing backup interface
[  526.851246] bond0 (unregistering): Released all slaves