diff --git a/mantle/kola/tests/coretest/core.go b/mantle/kola/tests/coretest/core.go
index 7238d7326cd197734b4aed508e55d4a0cbd8e580..d02ea0bab4c4b547c07048a381a41e334447e274 100644
--- a/mantle/kola/tests/coretest/core.go
+++ b/mantle/kola/tests/coretest/core.go
@@ -64,8 +64,8 @@ func init() {
 		ClusterSize: 1,
 		Flags:       []register.Flag{register.RequiresInternetAccess},
 		NativeFuncs: map[string]register.NativeFuncWrap{
-			"PodmanEcho":     register.CreateNativeFuncWrap(TestPodmanEcho),
-			"PodmanWgetHead": register.CreateNativeFuncWrap(TestPodmanWgetHead),
+			"DockerEcho":     register.CreateNativeFuncWrap(TestDockerEcho),
+			"DockerWgetHead": register.CreateNativeFuncWrap(TestDockerWgetHead),
 		},
 		Distros: []string{"fcos", "nestos"},
 	})
@@ -86,7 +86,7 @@ func init() {
 		NativeFuncs: map[string]register.NativeFuncWrap{
 			"ServicesDisabled": register.CreateNativeFuncWrap(TestServicesDisabledRHCOS),
 		},
-		Distros: []string{"rhcos", "nestos"},
+		Distros: []string{"rhcos"},
 	})
 }
 
@@ -101,12 +101,20 @@ func TestPortSsh() error {
 
 func TestDockerEcho() error {
 	//t.Parallel()
-	return util.RunCmdTimeout(DockerTimeout, "docker", "run", "docker.io/busybox", "echo")
+	util.RunCmdTimeout(DockerTimeout, "sudo", "systemctl", "start", "docker")
+	return util.RunCmdTimeout(DockerTimeout, "sudo", "docker", "run", "docker.io/busybox", "echo")
 }
 
 func TestDockerPing() error {
 	//t.Parallel()
-	return util.RunCmdTimeout(DockerTimeout, "docker", "run", "docker.io/busybox", "ping", "-c4", "baidu.com")
+	util.RunCmdTimeout(DockerTimeout, "sudo", "systemctl", "start", "docker")
+	return util.RunCmdTimeout(DockerTimeout, "sudo", "docker", "run", "docker.io/busybox", "ping", "-c4", "baidu.com")
+}
+
+func TestDockerWgetHead() error {
+	//t.Parallel()
+	util.RunCmdTimeout(DockerTimeout, "sudo", "systemctl", "start", "docker")
+	return util.RunCmdTimeout(DockerTimeout, "sudo", "docker", "run", "docker.io/busybox", "wget", "--spider", "https://nestos.org.cn/kola/hotspot.txt")
 }
 
 func TestPodmanEcho() error {
diff --git a/mantle/kola/tests/misc/network.go b/mantle/kola/tests/misc/network.go
index 95cfa7086c25840b448a85a523c6fd26d145ef05..86536896d3155af51e13916b6e2ea2535050368e 100644
--- a/mantle/kola/tests/misc/network.go
+++ b/mantle/kola/tests/misc/network.go
@@ -40,11 +40,12 @@ func init() {
 		UserData: conf.EmptyIgnition(),
 	})
 	// TODO: rewrite test for NetworkManager
+	// This test is for systemd-networkd.service, but using NetworkManager.service now.
 	register.RegisterTest(&register.Test{
 		Run:            NetworkInitramfsSecondBoot,
 		ClusterSize:    1,
 		Name:           "nestos.network.initramfs.second-boot",
-		ExcludeDistros: []string{"fcos", "rhcos"},
+		ExcludeDistros: []string{"fcos", "rhcos", "nestos"},
 	})
 	// This test follows the same network configuration used on https://github.com/RHsyseng/rhcos-slb
 	// with a slight change, where the MCO script is run from ignition: https://github.com/RHsyseng/rhcos-slb/blob/main/setup-ovs.sh.
diff --git a/mantle/kola/tests/podman/podman.go b/mantle/kola/tests/podman/podman.go
index 2c311c3978f91d69b6fe8b820ebc01cf2bd557d1..da34b1808e79ffa78f10b8aaa07ac9160954822b 100644
--- a/mantle/kola/tests/podman/podman.go
+++ b/mantle/kola/tests/podman/podman.go
@@ -35,6 +35,7 @@ func init() {
 		Run:         podmanBaseTest,
 		ClusterSize: 1,
 		Name:        `podman.base`,
+		RequiredTag: "podman",
 	})
 	// These remaining tests use networking, and hence don't work reliably on RHCOS
 	// right now due to due to https://bugzilla.redhat.com/show_bug.cgi?id=1757572
@@ -45,15 +46,17 @@ func init() {
 		Flags:       []register.Flag{register.RequiresInternetAccess}, // For pulling nginx
 		Distros:     []string{"fcos", "nestos"},
 		FailFast:    true,
+		RequiredTag: "podman",
 	})
 	register.RegisterTest(&register.Test{
 		Run:         podmanNetworksReliably,
 		ClusterSize: 1,
 		Name:        `podman.network-single`,
 		// Not really but podman blows up if there's no /etc/resolv.conf
-		Tags:    []string{kola.NeedsInternetTag},
-		Distros: []string{"fcos", "nestos"},
-		Timeout: 20 * time.Minute,
+		Tags:        []string{kola.NeedsInternetTag},
+		Distros:     []string{"fcos", "nestos"},
+		Timeout:     20 * time.Minute,
+		RequiredTag: "podman",
 	})
 	// https://github.com/coreos/mantle/pull/1080
 	// register.RegisterTest(&register.Test{
diff --git a/mantle/kola/tests/rpmostree/deployments.go b/mantle/kola/tests/rpmostree/deployments.go
index b9d5a45237408e28ce69f0a152ccc48108b11a54..dce8d96e02535df5f68f0ee4fe200145e854ce7a 100644
--- a/mantle/kola/tests/rpmostree/deployments.go
+++ b/mantle/kola/tests/rpmostree/deployments.go
@@ -201,7 +201,7 @@ func rpmOstreeInstallUninstall(c cluster.TestCluster) {
 
 	m := c.Machines()[0]
 
-	_, err := c.SSH(m, `sudo wget -P /var/home/nest http://www.nestos.org.cn/kola/aht-dummy-1.0-1.noarch.rpm`)
+	_, err := c.SSH(m, `sudo bash -c 'cd ${HOME} && curl -O http://www.nestos.org.cn/kola/aht-dummy-1.0-1.noarch.rpm'`)
 	if err != nil {
 		c.Fatal(err)
 	}