initialize errev fd

it can not be 0, 0 is an useful fd, this will cause weird
closing of ptmx fd.

Signed-off-by: Gao feng <omarapazanadi@gmail.com>

src/parse.c

@@ -226,6 +226,7 @@ static int hyper_parse_container(struct hyper_pod *pod, struct hyper_container *
 	c->exec.init = 1;
 	c->exec.code = -1;
 	c->exec.e.fd = -1;
+	c->exec.errev.fd = -1;
 	c->exec.ptyfd = -1;
 	c->exec.errfd = -1;
 	c->ns = -1;
@@ -617,6 +618,7 @@ realloc:
 	exec->ptyfd = -1;
 	exec->errfd = -1;
 	exec->e.fd = -1;
+	exec->errev.fd = -1;
 	INIT_LIST_HEAD(&exec->list);
 
 	for (i = 0, j = 0; i < n; i++) {