5 files changed, 9 insertions, 39 deletions
diff --git a/pkg/domain/entities/types.go b/pkg/domain/entities/types.go
index 7e910ff61..b313e5f8b 100644
--- a/pkg/domain/entities/types.go
+++ b/pkg/domain/entities/types.go
@@ -42,6 +42,8 @@ type NetOptions struct {
 	PublishPorts       []specgen.PortMapping
 	StaticIP           *net.IP
 	StaticMAC          *net.HardwareAddr
+	// NetworkOptions are additional options for each network
+	NetworkOptions map[string][]string
 }
 
 // All CLI inspect commands and inspect sub-commands use the same options
diff --git a/pkg/namespaces/namespaces.go b/pkg/namespaces/namespaces.go
index b4ec04699..7831af8f9 100644
--- a/pkg/namespaces/namespaces.go
+++ b/pkg/namespaces/namespaces.go
@@ -17,9 +17,7 @@ const (
 	nsType        = "ns"
 	podType       = "pod"
 	privateType   = "private"
-	rlkFwdType    = "port_handler=rootlesskit"
 	shareableType = "shareable"
-	slirpFwdType  = "port_handler=slirp4netns"
 	slirpType     = "slirp4netns"
 )
 
@@ -390,28 +388,6 @@ func (n NetworkMode) IsSlirp4netns() bool {
 	return n == slirpType || strings.HasPrefix(string(n), slirpType+":")
 }
 
-// IsPortForwardViaRootlessKit indicates if we are doing rootless port-forwarding via rootlesskit/rootlessport
-func (n NetworkMode) IsPortForwardViaRootlessKit() bool {
-	if !n.IsSlirp4netns() {
-		return false
-	}
-	parts := strings.SplitN(string(n), ":", 2)
-	if len(parts) == 2 {
-		return parts[1] == rlkFwdType
-	}
-	return true
-}
-
-// IsPortForwardViaSlirpHostFwd indicates if we are doing rootless port-forwarding via slirp4netns add_hostfwd()
-func (n NetworkMode) IsPortForwardViaSlirpHostFwd() bool {
-	if !n.IsSlirp4netns() {
-		return false
-	}
-	// below here, implied IsSlirp4netns() == true
-	parts := strings.SplitN(string(n), ":", 2)
-	return len(parts) > 1 && parts[1] == slirpFwdType
-}
-
 // IsNS indicates a network namespace passed in by path (ns:<path>)
 func (n NetworkMode) IsNS() bool {
 	return strings.HasPrefix(string(n), nsType)
diff --git a/pkg/specgen/generate/namespaces.go b/pkg/specgen/generate/namespaces.go
index e038fc84e..a19009bc2 100644
--- a/pkg/specgen/generate/namespaces.go
+++ b/pkg/specgen/generate/namespaces.go
@@ -266,6 +266,9 @@ func namespaceOptions(ctx context.Context, s *specgen.SpecGenerator, rt *libpod.
 	if s.StaticMAC != nil {
 		toReturn = append(toReturn, libpod.WithStaticMAC(*s.StaticMAC))
 	}
+	if s.NetworkOptions != nil {
+		toReturn = append(toReturn, libpod.WithNetworkOptions(s.NetworkOptions))
+	}
 
 	return toReturn, nil
 }
@@ -470,7 +473,7 @@ func GetNamespaceOptions(ns []string) ([]libpod.PodCreateOption, error) {
 		case "pid":
 			options = append(options, libpod.WithPodPID())
 		case "user":
-			return erroredOptions, errors.Errorf("User sharing functionality not supported on pod level")
+			continue
 		case "ipc":
 			options = append(options, libpod.WithPodIPC())
 		case "uts":
diff --git a/pkg/specgen/namespaces.go b/pkg/specgen/namespaces.go
index e62c8b709..9bf2c5d05 100644
--- a/pkg/specgen/namespaces.go
+++ b/pkg/specgen/namespaces.go
@@ -109,16 +109,6 @@ func validateNetNS(n *Namespace) error {
 	}
 	switch n.NSMode {
 	case Slirp:
-		if n.Value != "" {
-			parts := strings.Split(n.Value, ",")
-			for _, p := range parts {
-				switch p {
-				case "port_handler=slirp4netns", "port_handler=rootlesskit":
-				default:
-					return errors.Errorf("invalid value for slirp %q", n.Value)
-				}
-			}
-		}
 		break
 	case "", Default, Host, Path, FromContainer, FromPod, Private, NoNetwork, Bridge:
 		break
@@ -263,11 +253,7 @@ func ParseNetworkNamespace(ns string) (Namespace, []string, error) {
 	// Net defaults to Slirp on rootless
 	switch {
 	case ns == "slirp4netns", strings.HasPrefix(ns, "slirp4netns:"):
-		split := strings.SplitN(ns, ":", 2)
 		toReturn.NSMode = Slirp
-		if len(split) > 1 {
-			toReturn.Value = split[1]
-		}
 	case ns == "pod":
 		toReturn.NSMode = FromPod
 	case ns == "":
diff --git a/pkg/specgen/specgen.go b/pkg/specgen/specgen.go
index 16d4b7c8c..3331bf8c8 100644
--- a/pkg/specgen/specgen.go
+++ b/pkg/specgen/specgen.go
@@ -378,6 +378,9 @@ type ContainerNetworkConfig struct {
 	// Conflicts with UseImageHosts.
 	// Optional.
 	HostAdd []string `json:"hostadd,omitempty"`
+	// NetworkOptions are additional options for each network
+	// Optional.
+	NetworkOptions map[string][]string `json:"network_options,omitempty"`
 }
 
 // ContainerResourceConfig contains information on container resource limits.