test(syslog): the Docker-address warning's new wording (#6096)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

tests/plugins/syslog/test_syslog_page.py

@@ -81,9 +81,9 @@ async def test_setup_help_never_guesses_the_address(app):
 async def test_a_sender_on_dockers_own_network_is_called_out(app):
     hidden = {**_source("ingress", "offered"), "address": "10.0.0.2", "docker_address": True}
     page = await _render(app, "admin", offered=[hidden, {**hidden, "id": "id-2"}])
-    assert "10.0.0.2 is on Steward's own container network" in page
+    assert "Lines from 10.0.0.2 come through Docker's own address and carry no device name" in page
     assert page.count("Docker's address, not the device's") == 2
-    assert "own container network" not in await _render(app, "admin", offered=[_source("synnas", "offered")])
+    assert "carry no device name" not in await _render(app, "admin", offered=[_source("synnas", "offered")])
 
 
 async def test_devices_through_dockers_address_read_by_their_own_names(app):