hi.
i just installed the system followed the instructions on https://security-bits.de/research/cellular/lab_setup.
but it looks the gb(ns) configuration.command encapsulation  missed in this version.
 OsmoSGSN(config-ns)# list
  help
  list [with-flags]
  show vty-attributes
  show vty-attributes (application|library|global)
  write terminal
  write file [PATH]
  write memory
  write
  show running-config
  exit
  end
  timer (tns-block|tns-block-retries|tns-reset|tns-reset-retries|tns-test|tns-alive|tns-alive-retries|tsns-prov|tsns-size-retries|tsns-config-retries|tsns-procedures-retries) <0-65535>
  nse <0-65535> [ip-sns-role-sgsn]
  no nse <0-65535>
  bind (fr|udp) ID
  no bind ID
  ip-sns-default bind ID
  no ip-sns-default bind ID
OsmoSGSN(config-ns)# 

libosmocore/bionic 0.9.0-7 amd64
libosmocore-dbg/bionic 0.9.0-7 amd64
libosmocore-dev/bionic 0.9.0-7 amd64

br,thornton.