[ 516.747621] bond0: (slave eth0): making interface the new active one [ 516.747716] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.984956] bond0: (slave eth0): Releasing backup interface [ 521.087844] bond0: (slave eth0): Enslaving as an active interface with an up link [ 525.276994] bond0: (slave eth0): Releasing backup interface [ 525.308965] bond0 (unregistering): Released all slaves