In some cases is good to be able to match an specific failure message only to specific hosts.

For example when we fail to fetch a test from pek2 servers...

Add a new input to https://gitlab.com/cki-project/datawarehouse/blob/c0240dd31ad897b5fd02946d914c2f3263c73b37/datawarehouse/templates/web/issue_regex.html and https://gitlab.com/cki-project/datawarehouse/blob/c0240dd31ad897b5fd02946d914c2f3263c73b37/datawarehouse/views.py

and integrate them in https://gitlab.com/cki-project/cki-tools/blob/9b09a36693a1ae2245a9119aec4ecbf3caad0807/cki/triager/checkers.py
.

Make sure to cover the regex serializers in https://gitlab.com/cki-project/datawarehouse/blob/3476dbc672a2a19b95de1cbbbc1224ed0c11717f/datawarehouse/serializers.py

Jira: CKI-7034(https://issues.redhat.com/browse/CKI-7034)