systemd: Backport foreignroutingpolicy from 249.
Also install the modprobe.d support files to allow systemd-networkd to
configure bond and dummy interfaces.
This will allow the GMEC team to drop it's own systemd fork.
BUG=b/180686339
TEST=networkd.conf supporst new directives and systemd.conf exists in
/etc/modprobe.d
RELEASE_NOTE=none
Change-Id: I02ec4fa22e5aba2b0ca5a90faca9a8eeb76d7912
Reviewed-on: https://cos-review.googlesource.com/c/cos/overlays/board-overlays/+/21850
Tested-by: Cusky Presubmit Bot <presubmit@cos-infra-prod.iam.gserviceaccount.com>
Reviewed-by: Roy Yang <royyang@google.com>
Reviewed-by: Meena Shanmugam <meenashanmugam@google.com>
3 files changed
