[ 512.272484] bond0: (slave eth0): making interface the new active one [ 512.272549] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.503375] bond0: (slave eth0): Releasing backup interface [ 516.617517] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.791044] bond0: (slave eth0): Releasing backup interface [ 520.810957] bond0 (unregistering): Released all slaves