libpod/oci_conmon_common.go: Remove slirp

Signed-off-by: Lokesh Mandvekar <[email protected]>

Author: lsm5

libpod/oci_conmon_common.go

@@ -1170,33 +1170,6 @@ func (r *ConmonOCIRuntime) createOCIContainer(ctr *Container, restoreOptions *Co
 		ctr.reservedPorts = nil
 	}
 
-	if ctr.config.NetMode.IsSlirp4netns() || rootless.IsRootless() {
-		if ctr.config.PostConfigureNetNS {
-			havePortMapping := len(ctr.config.PortMappings) > 0
-			if havePortMapping {
-				ctr.rootlessPortSyncR, ctr.rootlessPortSyncW, err = os.Pipe()
-				if err != nil {
-					return 0, fmt.Errorf("failed to create rootless port sync pipe: %w", err)
-				}
-			}
-			ctr.rootlessSlirpSyncR, ctr.rootlessSlirpSyncW, err = os.Pipe()
-			if err != nil {
-				return 0, fmt.Errorf("failed to create rootless network sync pipe: %w", err)
-			}
-		}
-
-		if ctr.rootlessSlirpSyncW != nil {
-			defer errorhandling.CloseQuiet(ctr.rootlessSlirpSyncW)
-			// Leak one end in conmon, the other one will be leaked into slirp4netns
-			cmd.ExtraFiles = append(cmd.ExtraFiles, ctr.rootlessSlirpSyncW)
-		}
-
-		if ctr.rootlessPortSyncW != nil {
-			defer errorhandling.CloseQuiet(ctr.rootlessPortSyncW)
-			// Leak one end in conmon, the other one will be leaked into rootlessport
-			cmd.ExtraFiles = append(cmd.ExtraFiles, ctr.rootlessPortSyncW)
-		}
-	}
 	var runtimeRestoreStarted time.Time
 	if restoreOptions != nil {
 		runtimeRestoreStarted = time.Now()