libnetconf2-dev is declared Multi-Arch: same, but fails to coinstall.

The files
 * /usr/share/doc/libnetconf2-dev/html/messages__client_8h__dep__incl.svg
 * /usr/share/doc/libnetconf2-dev/html/messages__client_8h__dep__incl_org.svg
are shared by libnetconf2-dev version 4.6.4-1 as present in
forky|unstable with varying content.

Please ensure that shared files have bit-identical content across
architectures, move architecture-dependent files to
architecture-dependent paths or remove the Multi-Arch: same field.

Kind regards

Helmut Grohne