[ 511.712862] bond0: (slave eth0): making interface the new active one [ 511.712935] bond0: (slave eth0): Enslaving as an active interface with an up link [ 515.923236] bond0: (slave eth0): Releasing backup interface [ 516.020032] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.212032] bond0: (slave eth0): Releasing backup interface [ 520.250899] bond0 (unregistering): Released all slaves