[ 507.709061] bond0: (slave eth0): making interface the new active one [ 507.709150] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.886894] bond0: (slave eth0): Releasing backup interface [ 511.986843] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.180829] bond0: (slave eth0): Releasing backup interface [ 516.217881] bond0 (unregistering): Released all slaves