I'm seeing an interesting message when encrypting and signing with my
ECDH/EDDSA subkeys. The encryption and signing seems to work, so
it's mainly just an informational message (I don't have any ECDSA subkeys):

bminton@bminton:~$ echo hi|gpg2 -u 0424DC19B678A1A9 -r 0424DC19B678A1A9 -a -e -s
gpg: ECDSA public key is expected to be in SEC encoding multiple of 8 bits

[snip]

bminton@bminton:~$ echo hi|gpg2 -u 0424DC19B678A1A9 -r
0424DC19B678A1A9 -a -e -s|gpg2
gpg: ECDSA public key is expected to be in SEC encoding multiple of 8 bits
gpg: encrypted with 384-bit ECDH key, ID EA49CFDB55D113E9, created 2014-10-12

"Brian Minton <brian@minton.name>"

hi
gpg: Signature made Thu Nov 20 11:06:18 2014 EST
gpg: using EDDSA key 37B9507ACFF2016E
gpg: Good signature from "Brian Minton <brian@minton.name>" [ultimate]
gpg: aka "Brian Minton <bjmgeek@gmail.com>" [ultimate]