In di if the kernel is in a private PPA we seed di using
d-i apt-setup/local0/key string http://keyserver.ubuntu.com:11371/pks/lookup?op=get&search=<key>
this used to work in xenial, but in bionic this fails and therefore apt update fails.
In di if the kernel is in a private PPA we seed di using
d-i apt-setup/ local0/ key string http:// keyserver. ubuntu. com:11371/ pks/lookup? op=get& search=<key>
this used to work in xenial, but in bionic this fails and therefore apt update fails.