Don't try to run ipv6 tests on hosts without ipv6 HTCONDOR-536
Don't try to run ipv6 tests on hosts without ipv6 HTCONDOR-536

htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor,htcondor/htcondor