Please find the details:

systemd-analyze-blame-output

12min 33.112s casper-md5check.service
      48.873s snapd.service
      48.004s snapd.seeded.service
      35.847s pollinate.service
      31.663s udisks2.service
      28.538s cloud-init-local.service
      23.592s e2scrub_reap.service
      23.281s thermald.service
      22.361s dev-sr0.device
      17.649s polkit.service
      16.971s dev-loop9.device
      16.768s networkd-dispatcher.service
      16.547s snapd.hold.service
      15.221s dev-loop6.device
      15.003s dev-loop8.device
      14.037s snapd.apparmor.service
      12.682s dev-loop4.device
      12.680s dev-loop5.device
      12.677s dev-loop0.device
      12.093s ModemManager.service
      10.873s snap.lxd.activate.service
      10.661s dev-loop7.device
       5.310s rsyslog.service
       5.231s apport.service
       5.168s systemd-logind.service
       4.633s secureboot-db.service
       4.523s cloud-init.service
       4.297s ua-timer.service
       2.867s console-setup.service
       2.712s systemd-resolved.service
       2.689s systemd-udev-trigger.service
       2.523s systemd-udevd.service
       2.365s multipathd.service
       2.263s systemd-user-sessions.service
       1.742s keyboard-setup.service
       1.590s systemd-modules-load.service
       1.483s systemd-sysusers.service
       1.433s snap-core20-1405.mount
       1.304s snap-lxd-22923.mount
       1.211s snap-snapd-15534.mount
       1.198s update-notifier-download.service
        950ms systemd-journal-flush.service
        840ms systemd-sysctl.service
        837ms setvtrgb.service
        664ms systemd-random-seed.service
 	634ms snap-subiquity-3359.mount
        606ms systemd-timesyncd.service
        558ms systemd-tmpfiles-setup.service
        495ms systemd-networkd.service
        461ms cloud-config.service
        418ms systemd-tmpfiles-setup-dev.service
        357ms systemd-update-utmp.service
        340ms systemd-remount-fs.service
        327ms cloud-final.service
        317ms sys-kernel-config.mount
        315ms sys-fs-fuse-connections.mount
        306ms plymouth-read-write.service
        224ms plymouth-quit.service
        199ms lvm2-monitor.service
        181ms systemd-journald.service
        117ms finalrd.service
        111ms ufw.service
         89ms dev-hugepages.mount
         88ms dev-mqueue.mount
         87ms sys-kernel-debug.mount
         87ms sys-kernel-tracing.mount
         83ms lvm2-pvscan@8:3.service
         78ms kmod-static-nodes.service
         76ms <email address hidden>
         76ms <email address hidden>
         75ms <email address hidden>
         26ms ssh.service
         20ms systemd-tmpfiles-clean.service
         17ms plymouth-quit-wait.service
         11ms systemd-update-utmp-runlevel.service
          8ms snapd.socket
          8ms systemd-networkd-wait-online.service
          3ms tmp.mount
         51us blk-availability.service

"systemd-analyze-critical-chain-output"

The time when unit became active or started is printed after the "@" character.
The time the unit took to start is printed after the "+" character.

graphical.target @13min 17.133s
`-multi-user.target @13min 17.132s
  `-casper-md5check.service @44.019s +12min 33.112s
    `-basic.target @44.015s
      `-sockets.target @44.014s
        `-snap.lxd.daemon.unix.socket @2min 8.203s
          `-sysinit.target @43.976s
            `-cloud-init.service @39.445s +4.523s
              `-systemd-networkd-wait-online.service @39.432s +8ms
                `-systemd-networkd.service @38.932s +495ms
                  `-network-pre.target @38.925s
                    `-cloud-init-local.service @10.374s +28.538s
                      `-systemd-remount-fs.service @5.507s +340ms
                        `-systemd-journald.socket @5.413s
                          `--.mount @5.377s
                            `--.slice @5.377s

"cloud-init-analyze-blame-output"

-- Boot Record 01 --
     01.47200s (init-network/config-ssh)
     00.34700s (init-local/search-NoCloud)
     00.09400s (modules-config/config-set-passwords)
     00.04300s (init-network/config-users-groups)
     00.01600s (init-network/check-cache)
     00.00400s (modules-final/config-final-message)
     00.00400s (init-network/consume-user-data)
     00.00200s (modules-config/config-timezone)
     00.00200s (init-network/config-write-files)
     00.00200s (init-network/activate-datasource)
     00.00100s (modules-final/config-ssh-authkey-fingerprints)
     00.00100s (modules-final/config-scripts-per-once)
     00.00100s (modules-final/config-keys-to-console)
     00.00100s (modules-config/config-disable-ec2-metadata)
     00.00100s (init-network/config-rsyslog)
     00.00100s (init-network/config-ca-certs)
     00.00100s (init-network/config-bootcmd)
     00.00100s (init-local/check-cache)
     00.00000s (modules-final/config-scripts-user)
     00.00000s (modules-final/config-phone-home)
     00.00000s (modules-config/config-ssh-import-id)
     00.00000s (modules-config/config-runcmd)
     00.00000s (init-network/setup-datasource)
     00.00000s (init-network/consume-vendor-data2)
     00.00000s (init-network/consume-vendor-data)


"cloud-init-analyze-show-output"


-- Boot Record 01 --
The total time elapsed since completing an event is printed after the "@" character.
The time the event takes is printed after the "+" character.

Starting stage: init-local
|`->no cache found @00.00300s +00.00100s
|`->found local data from DataSourceNoCloud @00.01200s +00.34700s
Finished stage: (init-local) 01.91800 seconds

Starting stage: init-network
|`->restored from cache with run check: DataSourceNoCloud [seed=/var/lib/cloud/seed/nocloud][dsmode=net] @04.06200s +00.01600s
|`->setting up datasource @04.16500s +00.00000s
|`->reading and applying user-data @04.35100s +00.00400s
|`->reading and applying vendor-data @04.35500s +00.00000s
|`->reading and applying vendor-data2 @04.35500s +00.00000s
|`->activating datasource @05.43600s +00.00200s
|`->config-bootcmd ran successfully @05.44200s +00.00100s
|`->config-write-files ran successfully @05.44300s +00.00200s
|`->config-ca-certs ran successfully @05.44600s +00.00100s
|`->config-rsyslog ran successfully @05.44700s +00.00100s
|`->config-users-groups ran successfully @05.44900s +00.04300s
|`->config-ssh ran successfully @05.49200s +01.47200s
Finished stage: (init-network) 04.19000 seconds

Starting stage: modules-config
|`->config-ssh-import-id ran successfully @105.80900s +00.00000s
|`->config-set-passwords ran successfully @105.81000s +00.09400s
|`->config-timezone ran successfully @105.90400s +00.00200s
|`->config-disable-ec2-metadata ran successfully @105.90600s +00.00100s
|`->config-runcmd ran successfully @105.90700s +00.00000s
Finished stage: (modules-config) 00.13400 seconds

Starting stage: modules-final
|`->config-scripts-per-once ran successfully @761.00000s +00.00100s
|`->config-scripts-user ran successfully @761.00100s +00.00000s
|`->config-ssh-authkey-fingerprints ran successfully @761.00100s +00.00100s
|`->config-keys-to-console ran successfully @761.00200s +00.00100s
|`->config-phone-home ran successfully @761.00300s +00.00000s
|`->config-final-message ran successfully @761.00300s +00.00400s
Finished stage: (modules-final) 00.01100 seconds

Total Time: 6.25300 seconds

1 boot records analyzed