require 'ipa-name' option to be set via config file

The 'ipa-name' option can now only be set via the configuration file
because changing the IPA name at run-time conflicts with active
GSUP connections and routes configured in the HLR. The osmo-msc
program must be restarted if its IPA name needs to change.

Change-Id: I6cff91793e646e0396e8f1bc87d0f52709e5f12a
Related: OS#3355
3 files changed