Error: svn: E175002: Couldn't kickstart handshaking

trying to import:

# subgit import target-dir
SubGit version 3.3.16 ('Bobique') build #4452

Continuing after an interrupted import.

Translating Subversion revisions to Git commits...


error: svn: E175002: Couldn't kickstart handshaking
error: svn: E175002: REPORT request failed on '/svn/proj/!svn/vcc/default'
error: Couldn't kickstart handshaking
error: Connection reset
error: Unexpected error has occurred; please report along with the logs ('/target-dir/')
error:   to, thank you!

Between “Translating …” and “IMPORT FAILED” it does something for several minutes, then this error message appears and the import fails.

Please help!

I have attached the log file.
subgit-error.txt (246.8 KB)