plugin/forward: fix panic when `expire` is configured as 0s
@@ -44,7 +44,7 @@ func newTransport(addr string) *Transport {
// connManagers manages the persistent connection cache for UDP and TCP.
func (t *Transport) connManager() {
- ticker := time.NewTicker(t.expire)
+ ticker := time.NewTicker(defaultExpire)
Wait:
for {
select {
