add unit test

Author: kobrineli

pkg/selectors/kernel_test.go

@@ -1026,10 +1026,14 @@ func TestParseAddr(t *testing.T) {
 			addrStr:     "1.2.3.4/invalid",
 			expectedErr: errors.New("CIDR mask is invalid"),
 		},
-		"invalid ip": {
+		"invalid ipv4": {
 			addrStr:     "a.b.c.d/16",
 			expectedErr: errors.New("IP address is invalid: failed to parse"),
 		},
+		"invalid ipv6": {
+			addrStr:     "::gg/16",
+			expectedErr: errors.New("IP address is invalid: failed to parse"),
+		},
 		"invalid ipv4 mask len": {
 			addrStr:     "1.2.3.4/33",
 			expectedErr: errors.New("IPv4 mask len must be <= 32"),