buster: prevent automatic creation of bond0 and dummy0 at boot

builds/any/rootfs/buster/common/overlay/etc/modprobe.d/systemd.conf

@@ -0,0 +1,21 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+#
+# When bonding module is loaded, it creates bond0 by default due to max_bonds
+# option default value 1. This interferes with the network configuration
+# management / networkd, as it is not possible to detect whether this bond0 was
+# intentionally configured by the user, or should be managed by
+# networkd/NM/etc. Therefore disable bond0 creation.
+
+options bonding max_bonds=0
+
+# Do the same for dummy0.
+
+options dummy numdummies=0
+

packages/base/any/kernels/5.15-lts/configs/arm64-all/arm64-all.config

@@ -2205,8 +2205,8 @@ CONFIG_MD=y
 CONFIG_NETDEVICES=y
 CONFIG_MII=y
 CONFIG_NET_CORE=y
-CONFIG_BONDING=y
-CONFIG_DUMMY=y
+CONFIG_BONDING=m
+CONFIG_DUMMY=m
 CONFIG_WIREGUARD=y
 # CONFIG_WIREGUARD_DEBUG is not set
 # CONFIG_EQUALIZER is not set