Fix problems with network remove

First, make sure we are only trying to remove the network
interface if we are root.
Second, if we cannot get the interface name (e.g macvlan config)
then we should not fail. Just remove the config file.

Signed-off-by: Paul Holzinger <paul.holzinger@web.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/libpod/network/files.go b/libpod/network/files.go
index 846e5c62d..7f1e3ee18 100644
--- a/libpod/network/files.go
+++ b/libpod/network/files.go
@@ -14,6 +14,9 @@ import (
 	"github.com/pkg/errors"
 )
 
+// ErrNoSuchNetworkInterface indicates that no network interface exists
+var ErrNoSuchNetworkInterface = errors.New("unable to find interface name for network")
+
 // GetCNIConfDir get CNI configuration directory
 func GetCNIConfDir(configArg *config.Config) string {
 	if len(configArg.Network.NetworkConfigDir) < 1 {
@@ -142,7 +145,7 @@ func GetInterfaceNameFromConfig(path string) (string, error) {
 		}
 	}
 	if len(name) == 0 {
-		return "", errors.New("unable to find interface name for network")
+		return "", ErrNoSuchNetworkInterface
 	}
 	return name, nil
 }