[Meta] Failing supported plugins tests

[andsel]

In Buildkite run https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/67 we have some plugins failing:

• ./ci/test_plugins.sh -t tier1 -k output
  • logstash-output-tcp https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/65#019f6621-6475-448a-9b40-47080ced1751/L2989
  • logstash-output-udp https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/65#019f6621-6475-448a-9b40-47080ced1751/L3153
• ./ci/test_plugins.sh -t tier2 -k input
  • logstash-input-snmp https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/65#019f6621-647a-452c-9540-87ff2d05a6a0/L2763
  • logstash-input-sqs https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/65#019f6621-647a-452c-9540-87ff2d05a6a0/L2836
• ./ci/test_plugins.sh -t tier2 -k codec
  • logstash-codec-netflow https://buildkite.com/elastic/logstash-supported-plugins-test-pipeline/builds/65#019f6621-647b-44e8-8f42-e17be9711314/L2860