[ 519.386445] bond0: (slave eth0): making interface the new active one [ 519.386516] bond0: (slave eth0): Enslaving as an active interface with an up link [ 523.563483] bond0: (slave eth0): Releasing backup interface [ 523.673554] bond0: (slave eth0): Enslaving as an active interface with an up link [ 527.850387] bond0: (slave eth0): Releasing backup interface [ 527.895344] bond0 (unregistering): Released all slaves