stop leaking ueventfd

src/init.c

@@ -229,6 +229,7 @@ static int hyper_pod_init(void *data)
 	close(hyper_epoll.efd);
 	close(hyper_epoll.ctl.fd);
 	close(hyper_epoll.tty.fd);
+	close(hyper_epoll.dev.fd);
 
 	sigemptyset(&mask);
 	sigaddset(&mask, SIGCHLD);

src/netlink.c

@@ -44,7 +44,7 @@ int hyper_setup_netlink_listener(struct hyper_event *e)
 	memset(&sa, 0, sizeof(sa));
 	sa.nl_family = AF_NETLINK;
 	sa.nl_groups = 0xffffffff;
-	fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_KOBJECT_UEVENT);
+	fd = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_KOBJECT_UEVENT);
 	if (fd < 0) {
 		perror("failed to create netlink socket");
 		return -1;