Comment # 2 on bug 1223794 from Aleksa Sarai

As far as I can see, LXD has had the fix for this since 5.20 (what appears to
be the upstream fix[1] was included in v3.20.0 of gobgp, and LXD 5.20 uses
v3.21.0). I will add a note in the changelog.

[1]:
https://github.com/osrg/gobgp/commit/419c50dfac578daa4d11256904d0dc182f1a9b22