ServerName in master may not initialize with the configured ipc address of hbase.master.ipc.address

    this.rpcServer = HBaseRPC.getServer(this,
      new Class<?>[]{HMasterInterface.class, HMasterRegionInterface.class},
        initialIsa.getHostName(), // This is bindAddress if set else it's hostname
        initialIsa.getPort(),
        numHandlers,
        0, // we dont use high priority handlers in master
        conf.getBoolean("hbase.rpc.verbose", false), conf,
        0); // this is a DNC w/o high priority handlers

    String hostname = Strings.domainNamePointerToHostName(DNS.getDefaultHost(
      conf.get("hbase.master.dns.interface", "default"),
      conf.get("hbase.master.dns.nameserver", "default")));
	...
    this.serverName = new ServerName(hostname,
      this.isa.getPort(), System.currentTimeMillis());