Build failure of network:osmocom:nightly/osmo-gbproxy in Debian_9.0/x86_64

Visit https://build.opensuse.org/package/live_build_log/network:osmocom:nightly/osmo-gbproxy/Debian_9.0/x86_64 Package network:osmocom:nightly/osmo-gbproxy failed to build in Debian_9.0/x86_64 Check out the package for editing: osc checkout network:osmocom:nightly osmo-gbproxy Last lines of

Build failure of network:osmocom:nightly/osmo-gbproxy in Debian_9.0/x86_64

Visit https://build.opensuse.org/package/live_build_log/network:osmocom:nightly/osmo-gbproxy/Debian_9.0/x86_64 Package network:osmocom:nightly/osmo-gbproxy failed to build in Debian_9.0/x86_64 Check out the package for editing: osc checkout network:osmocom:nightly osmo-gbproxy Last lines of