[ 522.955528] bond0: (slave eth0): making interface the new active one [ 522.955642] bond0: (slave eth0): Enslaving as an active interface with an up link [ 527.113700] bond0: (slave eth0): Releasing backup interface [ 527.171890] bond0: (slave eth0): Enslaving as an active interface with an up link [ 531.340289] bond0: (slave eth0): Releasing backup interface [ 531.370153] bond0 (unregistering): Released all slaves