Fix tests and linters

network/netutils/ip_test.go

@@ -6,6 +6,8 @@ import (
 )
 
 func TestIPScope(t *testing.T) {
+	t.Parallel()
+
 	testScope(t, net.IPv4(71, 87, 113, 211), Global)
 	testScope(t, net.IPv4(127, 0, 0, 1), HostLocal)
 	testScope(t, net.IPv4(127, 255, 255, 1), HostLocal)
@@ -17,6 +19,8 @@ func TestIPScope(t *testing.T) {
 }
 
 func testScope(t *testing.T, ip net.IP, expectedScope IPScope) {
+	t.Helper()
+
 	c := GetIPScope(ip)
 	if c != expectedScope {
 		t.Errorf("%s is %s, expected %s", ip, scopeName(c), scopeName(expectedScope))