GNU Parallel Bug Reports unexpected failure due to ssh line length exceeded error

[E V]

$ parallel --version
GNU parallel 20140122

$ seq 1000000000000000 1000000001000000 > lots_o_number.txt

$ parallel --sshloginfile ~/sshparallellogins -N 10000 echo {} <
lots_o_number.txt > lots_o.log
parallel: Warning: No more processes: Decreasing number of running
jobs to 4. Raising ulimit -u or /etc/security/limits.conf may help.
...

Continously outputs warnings and doesn't finish in a timely manor,
because of a line length error on the remote ssh's startup.
Running -N 1000 no Warning's and works fine.