netbirdio/netbird · error

flush v6 acl: %w

Error message

flush v6 acl: %w

What it means

Error "flush v6 acl: %w" thrown in netbirdio/netbird.

Source

Thrown at client/firewall/nftables/manager_linux.go:555

func (m *Manager) DisableRouting() error {
	return m.router.ipFwdState.ReleaseRouting()
}

// Flush rule/chain/set operations from the buffer
//
// Method also get all rules after flush and refreshes handle values in the rulesets
// todo review this method usage
func (m *Manager) Flush() error {
	m.mutex.Lock()
	defer m.mutex.Unlock()

	if err := m.aclManager.Flush(); err != nil {
		return err
	}

	if m.hasIPv6() {
		if err := m.aclManager6.Flush(); err != nil {
			return fmt.Errorf("flush v6 acl: %w", err)
		}
	}

	if err := m.refreshNoTrackChains(); err != nil {
		log.Errorf("failed to refresh notrack chains: %v", err)
	}

	return nil
}

// AddDNATRule adds a DNAT rule
func (m *Manager) AddDNATRule(rule firewall.ForwardRule) (firewall.Rule, error) {
	m.mutex.Lock()
	defer m.mutex.Unlock()

	if rule.TranslatedAddress.Is6() {
		if !m.hasIPv6() {
			return nil, fmt.Errorf("add DNAT rule: %w", firewall.ErrIPv6NotInitialized)

View on GitHub (pinned to 93e97f4bf1)

When it happens

Trigger: Thrown at client/firewall/nftables/manager_linux.go:555 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of netbirdio/netbird@93e97f4bf1 (2026-08-16). Data as JSON: /api/errors/9c215e8518f8310c. Report an issue: GitHub.