Close a race where varnishtest::client would attempt to connect before varnishd::acceptor had called listen(2)
Close a race where varnishtest::client would attempt to connect before
varnishd::acceptor had called listen(2)

Found and fixed by:	slink aka. Nils Goroll

mrhmouse/Varnish-Cache,gauthier-delacroix/Varnish-Cache,franciscovg/Varnish-Cache,chrismoulton/Varnish-Cache,mrhmouse/Varnish-Cache,alarky/varnish-cache-doc-ja,feld/Varnish-Cache,zhoualbeart/Varnish-Cache,ambernetas/varnish-cache,1HLtd/Varnish-Cache,ajasty-cavium/Varnish-Cache,franciscovg/Varnish-Cache,gauthier-delacroix/Varnish-Cache,feld/Varnish-Cache,gquintard/Varnish-Cache,gauthier-delacroix/Varnish-Cache,ajasty-cavium/Varnish-Cache,drwilco/varnish-cache-drwilco,ambernetas/varnish-cache,drwilco/varnish-cache-drwilco,1HLtd/Varnish-Cache,gquintard/Varnish-Cache,varnish/Varnish-Cache,varnish/Varnish-Cache,gquintard/Varnish-Cache,ajasty-cavium/Varnish-Cache,feld/Varnish-Cache,feld/Varnish-Cache,alarky/varnish-cache-doc-ja,gauthier-delacroix/Varnish-Cache,varnish/Varnish-Cache,mrhmouse/Varnish-Cache,franciscovg/Varnish-Cache,ajasty-cavium/Varnish-Cache,chrismoulton/Varnish-Cache,varnish/Varnish-Cache,franciscovg/Varnish-Cache,ambernetas/varnish-cache,chrismoulton/Varnish-Cache,ajasty-cavium/Varnish-Cache,zhoualbeart/Varnish-Cache,gauthier-delacroix/Varnish-Cache,varnish/Varnish-Cache,drwilco/varnish-cache-drwilco,mrhmouse/Varnish-Cache,zhoualbeart/Varnish-Cache,chrismoulton/Varnish-Cache,1HLtd/Varnish-Cache,chrismoulton/Varnish-Cache,alarky/varnish-cache-doc-ja,1HLtd/Varnish-Cache,franciscovg/Varnish-Cache,gquintard/Varnish-Cache,mrhmouse/Varnish-Cache,zhoualbeart/Varnish-Cache,alarky/varnish-cache-doc-ja,alarky/varnish-cache-doc-ja,zhoualbeart/Varnish-Cache,feld/Varnish-Cache