是不是指链接无线网络，赶脚开机好慢
24.057s NetworkManager-wait-online.service
5.518s systemd-udev-settle.service
3.287s postfix.service
3.086s SuSEfirewall2_init.service
3.062s ModemManager.service
2.234s display-manager.service
2.010s alsa-restore.service
2.009s systemd-user-sessions.service
2.009s nscd.service
2.006s rc-local.service
1.998s bluetooth.service
1.997s avahi-daemon.service
1.996s wpa_supplicant.service
1.410s rtkit-daemon.service
1.386s \x2esnapshots.mount
1.278s var-tmp.mount
1.130s var-spool.mount
1.106s var-opt.mount
976ms var-log.mount
950ms polkit.service
928ms var-lib-pgsql.mount
884ms var-lib-named.mount
880ms sys-kernel-debug.mount
880ms dev-mqueue.mount
880ms dev-hugepages.mount
821ms systemd-tmpfiles-setup-dev.service
792ms apparmor.service
777ms systemd-journald.service