qa/003 - filter some metrics with no values sometimes
qa/003 - filter some metrics with no values sometimes

hinv.nlv and some of the ipv6 metrics have "No values available"
on some platforms.

prasincs/pcp,prasincs/pcp,aeg-aeg/pcpfans,prasincs/pcp,prasincs/pcp,tjanez/pcp,wuliming/pcp,mbaldessari/pcp,wuliming/pcp,edwardt/pcp,edwardt/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,tjanez/pcp,prasincs/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,edwardt/pcp,adfernandes/pcp,aeg-aeg/pcpfans,wuliming/pcp,adfernandes/pcp,edwardt/pcp,tjanez/pcp,andyvand/cygpcpfans,aeg-aeg/pcpfans,mbaldessari/pcp,aeg-aeg/pcpfans,prasincs/pcp,adfernandes/pcp,wuliming/pcp,edwardt/pcp,aeg-aeg/pcpfans,adfernandes/pcp,tjanez/pcp,aeg-aeg/pcpfans,andyvand/cygpcpfans,mbaldessari/pcp,tjanez/pcp,edwardt/pcp,andyvand/cygpcpfans,adfernandes/pcp,adfernandes/pcp,wuliming/pcp,prasincs/pcp,mbaldessari/pcp,andyvand/cygpcpfans,tjanez/pcp,wuliming/pcp,andyvand/cygpcpfans,mbaldessari/pcp,andyvand/cygpcpfans,wuliming/pcp,edwardt/pcp,prasincs/pcp,adfernandes/pcp,wuliming/pcp,tjanez/pcp,mbaldessari/pcp,edwardt/pcp,tjanez/pcp,adfernandes/pcp