diff --git a/internal/app/machined/pkg/controllers/network/address_config.go b/internal/app/machined/pkg/controllers/network/address_config.go
index 2cbd83538..1515acb1d 100644
--- a/internal/app/machined/pkg/controllers/network/address_config.go
+++ b/internal/app/machined/pkg/controllers/network/address_config.go
@@ -195,14 +195,6 @@ func (ctrl *AddressConfigController) loopbackDefaults() []network.AddressSpecSpe
 			LinkName:    "lo",
 			ConfigLayer: network.ConfigDefault,
 		},
-		{
-			Address:     netaddr.IPPrefixFrom(netaddr.IPFrom16([16]byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1}), 128),
-			Family:      nethelpers.FamilyInet6,
-			Scope:       nethelpers.ScopeHost,
-			Flags:       nethelpers.AddressFlags(nethelpers.AddressPermanent),
-			LinkName:    "lo",
-			ConfigLayer: network.ConfigDefault,
-		},
 	}
 }
 
diff --git a/internal/app/machined/pkg/controllers/network/address_config_test.go b/internal/app/machined/pkg/controllers/network/address_config_test.go
index 0e71e7a9e..1d14d2794 100644
--- a/internal/app/machined/pkg/controllers/network/address_config_test.go
+++ b/internal/app/machined/pkg/controllers/network/address_config_test.go
@@ -107,7 +107,6 @@ func (suite *AddressConfigSuite) TestLoopback() {
 		func() error {
 			return suite.assertAddresses([]string{
 				"default/lo/127.0.0.1/8",
-				"default/lo/::1/128",
 			}, func(r *network.AddressSpec) error {
 				suite.Assert().Equal("lo", r.TypedSpec().LinkName)
 				suite.Assert().Equal(nethelpers.ScopeHost, r.TypedSpec().Scope)
diff --git a/internal/app/machined/pkg/runtime/v1alpha1/v1alpha1_sequencer_tasks.go b/internal/app/machined/pkg/runtime/v1alpha1/v1alpha1_sequencer_tasks.go
index 92eef0650..a03667eee 100644
--- a/internal/app/machined/pkg/runtime/v1alpha1/v1alpha1_sequencer_tasks.go
+++ b/internal/app/machined/pkg/runtime/v1alpha1/v1alpha1_sequencer_tasks.go
@@ -199,7 +199,9 @@ func WriteRequiredSysctlsForContainer(seq runtime.Sequence, data interface{}) (r
 		}
 
 		if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "net.ipv6.conf.default.forwarding", Value: "1"}); err != nil {
-			multiErr = multierror.Append(multiErr, fmt.Errorf("failed to set net.ipv6.conf.default.forwarding: %w", err))
+			if !errors.Is(err, os.ErrNotExist) { // ignore error if ipv6 is disabled
+				multiErr = multierror.Append(multiErr, fmt.Errorf("failed to set net.ipv6.conf.default.forwarding: %w", err))
+			}
 		}
 
 		if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "kernel.pid_max", Value: "262144"}); err != nil {
@@ -228,7 +230,9 @@ func WriteRequiredSysctls(seq runtime.Sequence, data interface{}) (runtime.TaskE
 		}
 
 		if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "net.ipv6.conf.default.forwarding", Value: "1"}); err != nil {
-			multiErr = multierror.Append(multiErr, fmt.Errorf("failed to set net.ipv6.conf.default.forwarding: %w", err))
+			if !errors.Is(err, os.ErrNotExist) { // ignore error if ipv6 is disabled
+				multiErr = multierror.Append(multiErr, fmt.Errorf("failed to set net.ipv6.conf.default.forwarding: %w", err))
+			}
 		}
 
 		if err := sysctl.WriteSystemProperty(&sysctl.SystemProperty{Key: "kernel.pid_max", Value: "262144"}); err != nil {