[ 503.104360] bond0: (slave eth0): making interface the new active one [ 503.104476] bond0: (slave eth0): Enslaving as an active interface with an up link [ 507.354509] bond0: (slave eth0): Releasing backup interface [ 507.470360] bond0: (slave eth0): Enslaving as an active interface with an up link [ 511.641887] bond0: (slave eth0): Releasing backup interface [ 511.676813] bond0 (unregistering): Released all slaves