CI: load ipv6 kernel modules for rootless tests

Rootless cni with ipv6 needs the `ip6_tables` module loaded, normally
the cni plugins will load this module but as rootless it does not have
the necessary permission to do so. Therefore we load it manually.

Signed-off-by: Paul Holzinger <pholzing@redhat.com>

contrib/cirrus/setup_environment.sh

@@ -173,6 +173,9 @@ esac
 case "$PRIV_NAME" in
     root) ;;
     rootless)
+        # load kernel modules since the rootless user has no permission to do so
+        modprobe ip6_tables || :
+        modprobe ip6table_nat || :
         # Needs to exist for setup_rootless()
         ROOTLESS_USER="${ROOTLESS_USER:-some${RANDOM}dude}"
         echo "ROOTLESS_USER=$ROOTLESS_USER" >> /etc/ci_environment

test/e2e/network_create_test.go

@@ -81,7 +81,6 @@ var _ = Describe("Podman network create", func() {
 	})
 
 	It("podman network create with name and IPv6 subnet", func() {
-		SkipIfRootless("FIXME It needs the ip6tables modules loaded")
 		netName := "ipv6-" + stringid.GenerateNonCryptoID()
 		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:1:2:3:4::/64", netName})
 		nc.WaitWithDefaultTimeout()
@@ -121,7 +120,6 @@ var _ = Describe("Podman network create", func() {
 	})
 
 	It("podman network create with name and IPv6 flag (dual-stack)", func() {
-		SkipIfRootless("FIXME It needs the ip6tables modules loaded")
 		netName := "dual-" + stringid.GenerateNonCryptoID()
 		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:3:2::/64", "--ipv6", netName})
 		nc.WaitWithDefaultTimeout()
@@ -275,7 +273,6 @@ var _ = Describe("Podman network create", func() {
 	})
 
 	It("podman network create two IPv6 networks with same subnet should fail", func() {
-		SkipIfRootless("FIXME It needs the ip6tables modules loaded")
 		netName1 := "subipv61-" + stringid.GenerateNonCryptoID()
 		nc := podmanTest.Podman([]string{"network", "create", "--subnet", "fd00:4:4:4:4::/64", "--ipv6", netName1})
 		nc.WaitWithDefaultTimeout()