Bump github.com/containerd/containerd from 1.6.4 to 1.6.6

Bumps [github.com/containerd/containerd](https://github.com/containerd/containerd) from 1.6.4 to 1.6.6.
- [Release notes](https://github.com/containerd/containerd/releases)
- [Changelog](https://github.com/containerd/containerd/blob/main/RELEASES.md)
- [Commits](https://github.com/containerd/containerd/compare/v1.6.4...v1.6.6)

---
updated-dependencies:
- dependency-name: github.com/containerd/containerd
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/containerd/containerd/Vagrantfile

@@ -91,7 +91,7 @@ EOF
   config.vm.provision "install-golang", type: "shell", run: "once" do |sh|
     sh.upload_path = "/tmp/vagrant-install-golang"
     sh.env = {
-        'GO_VERSION': ENV['GO_VERSION'] || "1.17.9",
+        'GO_VERSION': ENV['GO_VERSION'] || "1.17.11",
     }
     sh.inline = <<~SHELL
         #!/usr/bin/env bash
@@ -101,6 +101,7 @@ EOF
 GOPATH=\\$HOME/go
 PATH=\\$GOPATH/bin:\\$PATH
 export GOPATH PATH
+git config --global --add safe.directory /vagrant
 EOF
     source /etc/profile.d/sh.local
     SHELL
@@ -264,7 +265,7 @@ EOF
         fi
         trap cleanup EXIT
         ctr version
-        critest --parallel=$(nproc) --report-dir="${REPORT_DIR}" --ginkgo.skip='HostIpc is true'
+        critest --parallel=$[$(nproc)+2] --ginkgo.skip='HostIpc is true' --report-dir="${REPORT_DIR}"
     SHELL
   end
 

vendor/github.com/containerd/containerd/archive/tar.go

@@ -31,6 +31,7 @@ import (
 	"time"
 
 	"github.com/containerd/containerd/log"
+	"github.com/containerd/containerd/pkg/userns"
 	"github.com/containerd/continuity/fs"
 )
 
@@ -380,6 +381,10 @@ func createTarFile(ctx context.Context, path, extractDir string, hdr *tar.Header
 	// Lchown is not supported on Windows.
 	if runtime.GOOS != "windows" {
 		if err := os.Lchown(path, hdr.Uid, hdr.Gid); err != nil {
+			err = fmt.Errorf("failed to Lchown %q for UID %d, GID %d: %w", path, hdr.Uid, hdr.Gid, err)
+			if errors.Is(err, syscall.EINVAL) && userns.RunningInUserNS() {
+				err = fmt.Errorf("%w (Hint: try increasing the number of subordinate IDs in /etc/subuid and /etc/subgid)", err)
+			}
 			return err
 		}
 	}

vendor/github.com/containerd/containerd/version/version.go

@@ -23,7 +23,7 @@ var (
 	Package = "github.com/containerd/containerd"
 
 	// Version holds the complete version number. Filled in at linking time.
-	Version = "1.6.4+unknown"
+	Version = "1.6.6+unknown"
 
 	// Revision is filled with the VCS (e.g. git) revision being used to build
 	// the program at linking time.

vendor/github.com/containerd/go-cni/Makefile

@@ -31,12 +31,10 @@ help: ## this help
 test: ## run tests, except integration tests and tests that require root
 	$(Q)go test -v -race $(EXTRA_TESTFLAGS) -count=1 ./...
 
-integration: ## run integration test
+integration: bin/integration.test ## run integration test
 	$(Q)bin/integration.test -test.v -test.count=1 -test.root $(EXTRA_TESTFLAGS) -test.parallel $(TESTFLAGS_PARALLEL)
 
-FORCE:
-
-bin/integration.test: FORCE ## build integration test binary into bin
+bin/integration.test: ## build integration test binary into bin
 	$(Q)cd ./integration && go test -race -c . -o ../bin/integration.test
 
 clean: ## clean up binaries

vendor/github.com/containerd/go-cni/cni.go

@@ -33,6 +33,8 @@ import (
 type CNI interface {
 	// Setup setup the network for the namespace
 	Setup(ctx context.Context, id string, path string, opts ...NamespaceOpts) (*Result, error)
+	// SetupSerially sets up each of the network interfaces for the namespace in serial
+	SetupSerially(ctx context.Context, id string, path string, opts ...NamespaceOpts) (*Result, error)
 	// Remove tears down the network of the namespace.
 	Remove(ctx context.Context, id string, path string, opts ...NamespaceOpts) error
 	// Check checks if the network is still in desired state
@@ -165,6 +167,34 @@ func (c *libcni) Setup(ctx context.Context, id string, path string, opts ...Name
 	return c.createResult(result)
 }
 
+// SetupSerially setups the network in the namespace and returns a Result
+func (c *libcni) SetupSerially(ctx context.Context, id string, path string, opts ...NamespaceOpts) (*Result, error) {
+	if err := c.Status(); err != nil {
+		return nil, err
+	}
+	ns, err := newNamespace(id, path, opts...)
+	if err != nil {
+		return nil, err
+	}
+	result, err := c.attachNetworksSerially(ctx, ns)
+	if err != nil {
+		return nil, err
+	}
+	return c.createResult(result)
+}
+
+func (c *libcni) attachNetworksSerially(ctx context.Context, ns *Namespace) ([]*types100.Result, error) {
+	var results []*types100.Result
+	for _, network := range c.Networks() {
+		r, err := network.Attach(ctx, ns)
+		if err != nil {
+			return nil, err
+		}
+		results = append(results, r)
+	}
+	return results, nil
+}
+
 type asynchAttachResult struct {
 	index int
 	res   *types100.Result