log: remove strerror() from SYSERROR call

src/lxc/cmd/lxc_monitord.c

@@ -300,7 +300,7 @@ static int lxc_monitord_fifo_handler(int fd, uint32_t events, void *data,
 
 	ret = read(fd, &msglxc, sizeof(msglxc));
 	if (ret != sizeof(msglxc)) {
-		SYSERROR("Reading from fifo failed: %s.", strerror(errno));
+		SYSERROR("Reading from fifo failed");
 		return LXC_MAINLOOP_CLOSE;
 	}
 

src/lxc/lsm/lsm.c

@@ -112,8 +112,7 @@ int lsm_process_label_fd_get(pid_t pid, bool on_exec)
 
 	labelfd = open(path, O_RDWR);
 	if (labelfd < 0) {
-		SYSERROR("%s - Unable to %s LSM label file descriptor",
-			 name, strerror(errno));
+		SYSERROR("Unable to %s LSM label file descriptor", name);
 		return -1;
 	}
 

src/lxc/monitor.c

@@ -261,7 +261,7 @@ int lxc_monitor_read_fdset(struct pollfd *fds, nfds_t nfds, struct lxc_msg *msg,
 			fds[i].revents = 0;
 			ret = recv(fds[i].fd, msg, sizeof(*msg), 0);
 			if (ret <= 0) {
-				SYSERROR("Failed to receive message. Did monitord die?: %s.", strerror(errno));
+				SYSERROR("Failed to receive message. Did monitord die?");
 				return -1;
 			}
 			return ret;

src/lxc/storage/overlay.c

@@ -645,9 +645,8 @@ int ovl_mount(struct lxc_storage *bdev)
 		ret = ovl_remount_on_enodev(lower, bdev->dest, ovl_name,
 					    MS_MGC_VAL | mntflags, options);
 		if (ret < 0)
-			SYSERROR("Failed to mount \"%s\" on \"%s\" with "
-				 "options \"%s\": %s",
-				 lower, bdev->dest, options, strerror(errno));
+			SYSERROR("Failed to mount \"%s\" on \"%s\" with options \"%s\"",
+			         lower, bdev->dest, options);
 		else
 			INFO("Mounted \"%s\" on \"%s\" with options \"%s\"",
 			     lower, bdev->dest, options);