You get the following errors in tl-setup.log when running ThinLinc Setup on Fedora 33: 2021-03-31 17:07:42,626: Configuring SELinux... 2021-03-31 17:07:47,635: Output (stdout): 2021-03-31 17:07:47,635: Updating default context mappings... 2021-03-31 17:07:47,635: Updating unconfined_u context mappings... 2021-03-31 17:07:47,635: Updating guest_u context mappings... 2021-03-31 17:07:47,635: Updating xguest_u context mappings... 2021-03-31 17:07:47,635: Updating sysadm_u context mappings... 2021-03-31 17:07:47,635: Updating staff_u context mappings... 2021-03-31 17:07:47,635: Updating root context mappings... 2021-03-31 17:07:47,635: Updating user_u context mappings... 2021-03-31 17:07:47,635: Compiling thinlinc policy module... 2021-03-31 17:07:47,635: make: Entering directory '/tmp/tmpNnfoxU' 2021-03-31 17:07:47,635: Compiling targeted thinlinc module 2021-03-31 17:07:47,636: Creating targeted thinlinc.pp policy package 2021-03-31 17:07:47,636: rm tmp/thinlinc.mod.fc tmp/thinlinc.mod 2021-03-31 17:07:47,636: make: Leaving directory '/tmp/tmpNnfoxU' 2021-03-31 17:07:47,636: Installing thinlinc policy module... 2021-03-31 17:07:47,636: Fixing context on files... 2021-03-31 17:07:47,636: Output (stderr): 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:13: Error: duplicate definition of container_runtime_domtrans(). Original definition on 13. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:40: Error: duplicate definition of container_runtime_run(). Original definition on 40. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:61: Error: duplicate definition of container_runtime_exec(). Original definition on 61. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:80: Error: duplicate definition of container_read_state(). Original definition on 80. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:98: Error: duplicate definition of container_search_lib(). Original definition on 98. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:117: Error: duplicate definition of container_exec_lib(). Original definition on 117. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:136: Error: duplicate definition of container_read_lib_files(). Original definition on 136. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:155: Error: duplicate definition of container_read_share_files(). Original definition on 155. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:176: Error: duplicate definition of container_runtime_read_tmpfs_files(). Original definition on 176. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:197: Error: duplicate definition of container_manage_share_files(). Original definition on 197. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:218: Error: duplicate definition of container_manage_share_dirs(). Original definition on 218. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:238: Error: duplicate definition of container_exec_share_files(). Original definition on 238. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:256: Error: duplicate definition of container_manage_config_files(). Original definition on 256. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:275: Error: duplicate definition of container_manage_lib_files(). Original definition on 275. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:295: Error: duplicate definition of container_manage_files(). Original definition on 295. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:314: Error: duplicate definition of container_manage_dirs(). Original definition on 314. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:332: Error: duplicate definition of container_manage_lib_dirs(). Original definition on 332. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:368: Error: duplicate definition of container_lib_filetrans(). Original definition on 368. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:386: Error: duplicate definition of container_read_pid_files(). Original definition on 386. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:405: Error: duplicate definition of container_systemctl(). Original definition on 405. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:430: Error: duplicate definition of container_rw_sem(). Original definition on 430. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:449: Error: duplicate definition of container_append_file(). Original definition on 449. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:467: Error: duplicate definition of container_use_ptys(). Original definition on 467. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:485: Error: duplicate definition of container_filetrans_named_content(). Original definition on 485. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:548: Error: duplicate definition of container_stream_connect(). Original definition on 549. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:569: Error: duplicate definition of container_spc_stream_connect(). Original definition on 570. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:590: Error: duplicate definition of container_admin(). Original definition on 591. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:637: Error: duplicate definition of container_auth_domtrans(). Original definition on 638. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:656: Error: duplicate definition of container_auth_exec(). Original definition on 657. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:675: Error: duplicate definition of container_auth_stream_connect(). Original definition on 676. 2021-03-31 17:07:47,636: /usr/share/selinux/devel/include/services/container.if:694: Error: duplicate definition of container_runtime_typebounds(). Original definition on 695. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:713: Error: duplicate definition of container_runtime_entrypoint(). Original definition on 714. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:720: Error: duplicate definition of docker_exec_lib(). Original definition on 721. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:724: Error: duplicate definition of docker_read_share_files(). Original definition on 725. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:728: Error: duplicate definition of docker_exec_share_files(). Original definition on 729. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:732: Error: duplicate definition of docker_manage_lib_files(). Original definition on 733. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:737: Error: duplicate definition of docker_manage_lib_dirs(). Original definition on 738. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:741: Error: duplicate definition of docker_lib_filetrans(). Original definition on 742. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:745: Error: duplicate definition of docker_read_pid_files(). Original definition on 746. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:749: Error: duplicate definition of docker_systemctl(). Original definition on 750. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:753: Error: duplicate definition of docker_use_ptys(). Original definition on 754. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:757: Error: duplicate definition of docker_stream_connect(). Original definition on 758. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:761: Error: duplicate definition of docker_spc_stream_connect(). Original definition on 762. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:775: Error: duplicate definition of container_spc_read_state(). Original definition on 776. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:794: Error: duplicate definition of container_runtime_domain_template(). Original definition on 795. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:832: Error: duplicate definition of container_domain_template(). Original definition on 833. 2021-03-31 17:07:47,637: /usr/share/selinux/devel/include/services/container.if:860: Error: duplicate definition of container_spc_rw_pipes(). Original definition on 861. 2021-03-31 17:07:47,637: thinlinc.te:154: Warning: mcs_killall() has been deprecated, please remove mcs_constrained() instead. 2021-03-31 17:07:47,637: SELinux configuration completed successfully
Seems to be a Red Hat bug: https://bugzilla.redhat.com/show_bug.cgi?id=1861968