[ 504.392188] bond0: (slave eth0): making interface the new active one [ 504.392297] bond0: (slave eth0): Enslaving as an active interface with an up link [ 508.567059] bond0: (slave eth0): Releasing backup interface [ 508.639829] bond0: (slave eth0): Enslaving as an active interface with an up link [ 512.787644] bond0: (slave eth0): Releasing backup interface [ 512.821635] bond0 (unregistering): Released all slaves