[ 539.566214] bond0: (slave eth0): making interface the new active one [ 539.566308] bond0: (slave eth0): Enslaving as an active interface with an up link [ 543.762199] bond0: (slave eth0): Releasing backup interface [ 543.851196] bond0: (slave eth0): Enslaving as an active interface with an up link [ 548.049709] bond0: (slave eth0): Releasing backup interface [ 548.075671] bond0 (unregistering): Released all slaves