166 	zassert_false(ret < 0, "Cannot receive data (%d)", ret);  in eth_tx()
430 		DBG("Cannot add IPv6 address %s\n",  in test_address_setup()
441 		DBG("Cannot add IPv6 address %s\n",  in test_address_setup()
451 		DBG("Cannot add IPv6 address %s\n",  in test_address_setup()
461 		DBG("Cannot add IPv6 address %s\n",  in test_address_setup()
583 	zassert_equal(ret, 0, "Cannot enable %d (%d)", VLAN_TAG_1, ret);  in test_vlan_enable()
585 	zassert_equal(ret, 0, "Cannot enable %d (%d)", VLAN_TAG_2, ret);  in test_vlan_enable()
587 	zassert_equal(ret, 0, "Cannot enable %d (%d)", VLAN_TAG_3, ret);  in test_vlan_enable()
589 	zassert_equal(ret, 0, "Cannot enable %d (%d)", VLAN_TAG_4, ret);  in test_vlan_enable()
661 	zassert_equal(ret, 0, "Cannot disable %d (%d)", VLAN_TAG_1, ret);  in test_vlan_disable()
664 	zassert_equal(ret, 0, "Cannot disable %d (%d)", VLAN_TAG_2, ret);  in test_vlan_disable()
667 	zassert_equal(ret, 0, "Cannot disable %d (%d)", VLAN_TAG_2, ret);  in test_vlan_disable()
670 	zassert_equal(ret, 0, "Cannot disable %d (%d)", VLAN_TAG_2, ret);  in test_vlan_disable()
703 	zassert_true(ret == 0 || ret == -EALREADY, "Cannot enable %d", VLAN_TAG_1);  in test_vlan_enable_all()
705 	zassert_true(ret == 0 || ret == -EALREADY, "Cannot enable %d", VLAN_TAG_2);  in test_vlan_enable_all()
707 	zassert_true(ret == 0 || ret == -EALREADY, "Cannot enable %d", VLAN_TAG_3);  in test_vlan_enable_all()
709 	zassert_true(ret == 0 || ret == -EALREADY, "Cannot enable %d", VLAN_TAG_4);  in test_vlan_enable_all()
742 	zassert_equal(ret, 0, "Cannot disable %d", VLAN_TAG_1);  in test_vlan_disable_all()
744 	zassert_equal(ret, 0, "Cannot disable %d", VLAN_TAG_2);  in test_vlan_disable_all()
746 	zassert_equal(ret, 0, "Cannot disable %d", VLAN_TAG_3);  in test_vlan_disable_all()
748 	zassert_equal(ret, 0, "Cannot disable %d", VLAN_TAG_4);  in test_vlan_disable_all()
784 		DBG("Cannot add dst %s to neighbor cache\n",  in add_neighbor()
826 	/* The data verification cannot be done easily because we are in the  in comm_sendto_recvfrom()
829 	 * We cannot use loopback as then VLAN would not be used.  in comm_sendto_recvfrom()
867 	zassert_true(ret, "Cannot add neighbor");  in ZTEST()
920 		DBG("Cannot add IPv6 address %s\n",  in ZTEST()
933 	zassert_true(ret > 0, "cannot get interface name (%d/%s)", ret, strerror(-ret));  in ZTEST()
941 	zassert_true(ret, "Cannot add neighbor");  in ZTEST()