[ 519.322754] bond0: (slave eth0): making interface the new active one [ 519.322835] bond0: (slave eth0): Enslaving as an active interface with an up link [ 523.480475] bond0: (slave eth0): Releasing backup interface [ 523.556343] bond0: (slave eth0): Enslaving as an active interface with an up link [ 527.707270] bond0: (slave eth0): Releasing backup interface [ 527.749184] bond0 (unregistering): Released all slaves