Having trouble cloning repo in a new VM

[Martin Mathieson via Wireshark-dev <wireshark-dev () wireshark org>]

I am trying to set up a Wireshark dev env on a new machine/Ubuntu VM.  Have
generated new keys and added them to my account.  It appears to accept my
credentials.

However, when I try to clone it starts to go through the stages (i.e.
counting/compressing/ receiving objects/resolving objects) I am told
'Connection to gitlab.com closed by remote host', and nothing is written to
my wireshark folder (besides an empty git repo).

Running under 'time', it gave up after 6m15.  Googling this issue, others
have reported a 10-minute timeout. I have plenty of disk space left.

Any ideas?
Martin

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