polling & connection timeouts (#1910)

parity/run.rs

@@ -80,9 +80,6 @@ pub struct RunCmd {
 }
 
 pub fn execute(cmd: RunCmd) -> Result<(), String> {
-	// create supervisor
-	let mut hypervisor = modules::hypervisor();
-
 	// increase max number of open files
 	raise_fd_limit();
 
@@ -165,6 +162,9 @@ pub fn execute(cmd: RunCmd) -> Result<(), String> {
 		net_conf.boot_nodes = spec.nodes.clone();
 	}
 
+	// create supervisor
+	let mut hypervisor = modules::hypervisor();
+
 	// create client service.
 	let service = try!(ClientService::start(
 		client_config,