"BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_METADATA_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_MSG_ITER_LOG_LEVEL",
"BABELTRACE_PLUGIN_CTF_UTILS_LOG_LEVEL",