use NOT_IMPLEMENTED flag also for accept_filter and tcp_fastopen
use NOT_IMPLEMENTED flag also for accept_filter and tcp_fastopen

feld/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache,gquintard/Varnish-Cache,gquintard/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,gquintard/Varnish-Cache