At least this two extensions works only then you use fingerprints:
veepn majdfhpaihoncoakbjgbdhglocklcgno
hoxx nbcojefnccbanplpoffopkoepjmhgdgh
Example: vpn1.xml
If anyone has this problem add a HTTP client reset at the beginning of your script. HTTP client seems to get clogged at a certain point. Issue resolved.