Hmm 
it didn’t go well:
root@omnia:/# pkgupdate
INFO:Target Turris OS: 5.0.0
WARN:Syntax "Script('script-name', 'uri', { extra })" is deprecated and will be removed.
WARN:Package wpad is in cyclic dependency. It might fail its post-install script.
WARN:Package hostapd is in cyclic dependency. It might fail its post-install script.
WARN:Requested package luci-i18n-rainbow-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-sqm-en that is missing, ignoring as requested.
WARN:Requested package luci-i18n-rainbow-cs that is missing, ignoring as requested.
WARN:Requested package luci-i18n-sqm-cs that is missing, ignoring as requested.
WARN:Requested package vixie-cron that is missing, ignoring as requested.
WARN:Requested package ucollect-meta that is missing, ignoring as requested.
WARN:Requested package nikola that is missing, ignoring as requested.
line not found
line not found
line not found
line not found
line not found
line not found
ERROR:
inconsistent: Package knot-host requires package knot-libs that is not available.
root@omnia:/#
root@omnia:/# opkg-cl update
...
Downloading https://repo.turris.cz/omnia/packages//base/Packages.gz
Error loading shared library libssl.so.1.0.0: No such file or directory (needed by /usr/bin/curl)
Error loading shared library libcrypto.so.1.0.0: No such file or directory (needed by /usr/bin/curl)
*** Failed to download the package list from https://repo.turris.cz/omnia/packages//base/Packages.gz
...
Collected errors:
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//base/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_base: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//hardware/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_hardware: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//lucics/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_lucics: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//management/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_management: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//node/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_node: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//openwisp/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_openwisp: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//packages/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_packages: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//php/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_php: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//printing/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_printing: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//routing/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_routing: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//sidn/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_sidn: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//telephony/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_telephony: No such file or directory.
* opkg_download: Failed to download https://repo.turris.cz/omnia/packages//turrispackages/Packages.gz, curl returned 127.
* file_move: Failed to rename /tmp/opkg-iLfiep/Packages.gz to /var/opkg-lists/omnia_turrispackages: No such file or directory.
New ssh session is not available as well (because of libssl)