[ 515.909173] bond0: (slave eth0): making interface the new active one [ 515.909265] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.155205] bond0: (slave eth0): Releasing backup interface [ 520.258450] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.436946] bond0: (slave eth0): Releasing backup interface [ 524.461950] bond0 (unregistering): Released all slaves