[ 516.999044] bond0: (slave eth0): making interface the new active one [ 516.999145] bond0: (slave eth0): Enslaving as an active interface with an up link [ 521.239522] bond0: (slave eth0): Releasing backup interface [ 521.344609] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.522759] bond0: (slave eth0): Releasing backup interface [ 525.554730] bond0 (unregistering): Released all slaves