[ 516.243507] bond0: (slave eth0): making interface the new active one [ 516.243573] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.431385] bond0: (slave eth0): Releasing backup interface [ 520.538710] bond0: (slave eth0): Enslaving as an active interface with an up link [ 524.719358] bond0: (slave eth0): Releasing backup interface [ 524.744311] bond0 (unregistering): Released all slaves