message: log more detail for invalid token
  Because we're getting some of these in CI and dont' know where they're coming from.
diff: @@ -68,7 +68,7 @@ class Authentication {
  }
  } catch (err) {
  if (/unable to authenticate data|invalid key length|Not a valid signed message/.test(err.message)) {
  - log.warn("Ignoring invalid token");
  + log.warn(`Ignoring invalid token for ${ctxt.request.method} ${ctxt.request.path} (${ctxt.header['authorization']})`);
  } else {
  throw err;
  }
  