[ 531.144305] bond0: (slave eth0): making interface the new active one [ 531.144381] bond0: (slave eth0): Enslaving as an active interface with an up link [ 535.309042] bond0: (slave eth0): Releasing backup interface [ 535.383845] bond0: (slave eth0): Enslaving as an active interface with an up link [ 539.537723] bond0: (slave eth0): Releasing backup interface [ 539.569661] bond0 (unregistering): Released all slaves