mtr doesn't work in a jail even with security.jail.allow_raw_sockets: 1

[Steven Hartland]

Wanted to use mtr to diagnose an issue in a jail
but it seems it totally fails even with
security.jail.allow_raw_sockets: 1

Any ideas?
    
    Regards
    Steve

================================================
This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. 

In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337
or return the E.mail to postmaster at multiplay.co.uk.