root@ubuntu:~# dpkg -l | grep -i strongSwan
ii libcharon-extauth-plugins 5.8.2-1ubuntu3.1 amd64 strongSwan charon library (extended authentication plugins)
ii libcharon-extra-plugins 5.8.2-1ubuntu3.1 amd64 strongSwan charon library (extra plugins)
pi libstrongswan 5.8.2-1ubuntu3.1 amd64 strongSwan utility and crypto library
ii strongswan 5.8.2-1ubuntu3.1 all IPsec VPN solution metapackage
ii strongswan-charon 5.8.2-1ubuntu3.1 amd64 strongSwan Internet Key Exchange daemon
ii strongswan-libcharon 5.8.2-1ubuntu3.1 amd64 strongSwan charon library
ii strongswan-pki 5.8.2-1ubuntu3.1 amd64 strongSwan IPsec client, pki command
ii strongswan-starter 5.8.2-1ubuntu3.1 amd64 strongSwan daemon starter and configuration file parser

root@ubuntu:~# grep yes /etc/strongswan.d/charon/eap-mschapv2.conf
load = yes

но
root@ubuntu:~# ipsec listplugins | grep ^eap
eap-identity:
eap-aka:
eap-md5:
eap-gtc:
eap-dynamic:
eap-radius:
eap-tls:
eap-ttls:
eap-peap:
eap-tnc:
root@ubuntu:~#

ессно перегружал, в том числе тачану целиком. Куда копать не пойму...

https://ru-root.livejournal.com/2934345.html