[ 512.332446] bond0: (slave eth0): making interface the new active one [ 512.332548] bond0: (slave eth0): Enslaving as an active interface with an up link [ 516.571210] bond0: (slave eth0): Releasing backup interface [ 516.678514] bond0: (slave eth0): Enslaving as an active interface with an up link [ 520.860127] bond0: (slave eth0): Releasing backup interface [ 520.894082] bond0 (unregistering): Released all slaves