[  518.388921] bond0: (slave eth0): making interface the new active one
[  518.389021] bond0: (slave eth0): Enslaving as an active interface with an up link
[  522.571546] bond0: (slave eth0): Releasing backup interface
[  522.628454] bond0: (slave eth0): Enslaving as an active interface with an up link
[  526.800577] bond0: (slave eth0): Releasing backup interface
[  526.832197] bond0 (unregistering): Released all slaves