Description of problem: keystone cannot access galera using vip . keystone.log logs db connection error 'system error 104' . We can login on local db as root . But cannot login on vip as keystone . I get the same error 104 after a long wait . mysql -u keystone -p -h <vip> I can ping vip . Version-Release number of selected component (if applicable): haproxy-1.5.4-4.el7_1.1 How reproducible: No Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: keystone cannot access galera using vip . keystone.log logs db connection error 'system error 104' . We can login on local db as root . But cannot login on vip as keystone . I get the same error 104 after a long wait . mysql -u keystone -p -h <vip> I can ping vip .