[ 531.611612] bond0: (slave eth0): making interface the new active one [ 531.611703] bond0: (slave eth0): Enslaving as an active interface with an up link [ 535.765413] bond0: (slave eth0): Releasing backup interface [ 535.846192] bond0: (slave eth0): Enslaving as an active interface with an up link [ 539.991418] bond0: (slave eth0): Releasing backup interface [ 540.016384] bond0 (unregistering): Released all slaves