tinc - Aug 2015 - Seeing: "Got REQ_KEY from XXX while we already started a SPTPS session!"

I'm running tinc 1.1pre11 with AutoConnect set to 'yes' and I
recently
started seeing lots of these messages on my VPN and cannot connect to
various hosts from other hosts:

(I have obscured the hostnames and vpn name, but otherwise this is a direct
paste from syslog)

Aug 19 14:51:51 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:51:54 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:04 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:52:06 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:10 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:52:17 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:52:20 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:25 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:52:29 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:36 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:52:39 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:52:39 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:43 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:52:43 AAA tinc.nnn[2217]: Got REQ_KEY from TTT while we already
started a SPTPS session!
Aug 19 14:52:50 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:52:50 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:52:51 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:52:55 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:52:57 AAA tinc.nnn[2217]: Got REQ_KEY from TTT while we already
started a SPTPS session!
Aug 19 14:53:05 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:53:12 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:53:15 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:53:15 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:53:20 AAA tinc.nnn[2217]: Got REQ_KEY from YYY while we already
started a SPTPS session!
Aug 19 14:53:28 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:53:28 AAA tinc.nnn[2217]: Got REQ_KEY from TTT while we already
started a SPTPS session!
Aug 19 14:53:31 AAA tinc.nnn[2217]: Got REQ_KEY from UUU while we already
started a SPTPS session!
Aug 19 14:53:40 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:53:43 AAA tinc.nnn[2217]: Got REQ_KEY from UUU while we already
started a SPTPS session!
Aug 19 14:53:54 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!
Aug 19 14:53:54 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:53:55 AAA tinc.nnn[2217]: Got REQ_KEY from UUU while we already
started a SPTPS session!
Aug 19 14:53:58 AAA tinc.nnn[2217]: Got REQ_KEY from XXX while we already
started a SPTPS session!
Aug 19 14:54:05 AAA tinc.nnn[2217]: Got REQ_KEY from WWW while we already
started a SPTPS session!
Aug 19 14:54:06 AAA tinc.nnn[2217]: Got REQ_KEY from TTT while we already
started a SPTPS session!
Aug 19 14:54:10 AAA tinc.nnn[2217]: Got REQ_KEY from ZZZ while we already
started a SPTPS session!

I have also seen messages about mismatched seqnos, but I've lost them in
the logs since I noticed them last night.

I've googled around and have not seen anyone else have this issue. Can
anyone give me some guidance on why this might be happening?

Andy
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