/etc/alsa/

The version you requested (4.4.0-137.163) is not available, but a newer one is (4.4.0-142.168). We redirected you there.

This file is indexed.

/etc/alsa/ is in alsa-source 1.0.25+dfsg-0ubuntu4.

This file is owned by root:root, with mode 0o755.

alsa-source 1.0.25+dfsg-0ubuntu4 / etc / alsa