Very slow start on mac desktop

[robbitybob]

Help please.  Loaded 3.2 on iMac and runs very well but start up is very slow as can be seen from output of analyze blame is:
        13.568s dev-mapper-linux\x2d\x2dvg\x2droot.device
          9.077s NetworkManager-wait-online.service
          6.414s ufw.service
          6.113s NetworkManager.service
          5.583s networking.service
          4.880s console-kit-log-system-start.service
          4.668s systemd-udevd.service
          4.517s lvm2-monitor.service
          4.319s thermald.service
          4.305s accounts-daemon.service
          4.167s ModemManager.service
          3.820s apparmor.service
          3.803s lightdm.service
          3.797s nmbd.service
          3.624s samba-ad-dc.service
          3.241s grub-common.service
          3.221s systemd-tmpfiles-setup-dev.service
          2.787s vboxdrv.service
          2.436s keyboard-setup.service
          2.348s gpu-manager.service
          2.221s systemd-fsck@dev-disk-by\x2duuid-620bb5bc\x2db2c3\x2d4416\x2db6
          1.954s systemd-journald.service
          1.710s systemd-modules-load.service

Attached is system report.  I've used LL for years but only a basic "copy and paste" instructions user!  Any help appreciated.