Ignore error log from ctrmgrd in test_k8s_config_patch_apply (sonic-n…

…et#12849)

tests/generic_config_updater/conftest.py

@@ -154,5 +154,9 @@ def ignore_expected_loganalyzer_exceptions(duthosts, rand_one_dut_hostname, loga
             # sonic-sairedis/vslib/HostInterfaceInfo.cpp: Need investigation
             ".*ERR syncd[0-9]*#syncd.*tap2veth_fun: failed to write to socket.*",   # test_portchannel_interface tc2
             ".*ERR.*'apply-patch' executed failed.*",  # negative cases that are expected to fail
+
+            # Ignore errors from k8s config test
+            ".*ERR ctrmgrd.py: Refer file.*",
+            ".*ERR ctrmgrd.py: Join failed.*"
         ]
         loganalyzer[duthost.hostname].ignore_regex.extend(ignoreRegex)