We should be outside the tunnel, now:

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root@noc /var/log/apt # sudo apt remove -s libnx-x11-6:amd64 libx2go-log-perl libx2go-server-db-perl libx2go-server-perl libx2go-utils-perl nx-x11-common nxagent x2goserver x2goserver-common x2goserver-x2goagent x2goserver-xsession libxcompshad3
Reading package lists... Done
Building dependency tree       
Reading state information... Done
Package 'x2goserver' is not installed, so not removed
Package 'x2goserver-xsession' is not installed, so not removed
The following packages were automatically installed and are no longer required:
  libcapture-tiny-perl libconfig-simple-perl libdbd-pg-perl libdbd-sqlite3-perl libdbi-perl libfile-which-perl libpq5 libswitch-perl libxcomp3 lsof pwgen
Use 'sudo apt autoremove' to remove them.
The following packages will be REMOVED:
  libnx-x11-6 libx2go-log-perl libx2go-server-db-perl libx2go-server-perl libx2go-utils-perl libxcompshad3 nx-x11-common nxagent x2goserver-common x2goserver-x2goagent
The following held packages will be changed:
  libx2go-log-perl libx2go-server-db-perl libx2go-server-perl libx2go-utils-perl x2goserver-common x2goserver-x2goagent
0 upgraded, 0 newly installed, 10 to remove and 25 not upgraded.
2 not fully installed or removed.
Remv libx2go-server-perl [4.1.0.3-5] [libx2go-server-db-perl:amd64 libx2go-log-perl:amd64 ]
Remv libx2go-server-db-perl [4.1.0.4-0~1975~ubuntu20.04.1] [libx2go-log-perl:amd64 ]
Remv libx2go-log-perl [4.1.0.4-0~1975~ubuntu20.04.1]
Remv x2goserver-x2goagent [4.1.0.3-5]
Remv nxagent [2:3.5.99.23-1build1]
Remv libxcompshad3 [2:3.5.99.23-1build1]
Remv libnx-x11-6 [2:3.5.99.23-1build1]
Remv libx2go-utils-perl [4.1.0.3-5]
Remv nx-x11-common [2:3.5.99.23-1build1]
Remv x2goserver-common [4.1.0.3-5]
root@noc /var/log/apt #
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Are we safe to proceed outside the dry run?

Well ... you are aware that we do offer X2Go support contracts, right? ;)