Attempt manual removal of CNI IP allocations on refresh

We previously attempted to work within CNI to do this, without
success. So let's do it manually, instead. We know where the
files should live, so we can remove them ourselves instead. This
solves issues around sudden reboots where containers do not have
time to fully tear themselves down, and leave IP address
allocations which, for various reasons, are not stored in tmpfs
and persist through reboot.

Fixes #5433

Signed-off-by: Matthew Heon <matthew.heon@pm.me>

1 files changed, 4 insertions, 0 deletions

diff --git a/libpod/networking_unsupported.go b/libpod/networking_unsupported.go
index 7f343cf35..32b354a44 100644
--- a/libpod/networking_unsupported.go
+++ b/libpod/networking_unsupported.go
@@ -23,3 +23,7 @@ func (r *Runtime) createNetNS(ctr *Container) (err error) {
 func (c *Container) getContainerNetworkInfo() (*InspectNetworkSettings, error) {
 	return nil, define.ErrNotImplemented
 }
+
+func getCNINetworksDir() (string, error) {
+	return "", define.ErrNotImplemented
+}