tstest/natlab: unregister conn4 if registration of conn6 fails.

Signed-off-by: David Anderson <danderson@tailscale.com>
6 years ago · d94593e884
parent d7bc4ec029
commit d94593e884
1 changed files with 1 additions and 0 deletions
--- a/tstest/natlab/natlab.go
+++ b/tstest/natlab/natlab.go
@ -456,6 +456,7 @@ func (m *Machine) ListenPacket(network, address string) (net.PacketConn, error)
 			return nil, err
 		}
 		if err := m.registerConn6(c); err != nil {
+			m.unregisterConn4(c)
 			return nil, err
 		}
 	case 4: