DEBUG some T4 MDC-TEST4 [main] SocketServerTestCase - Message 1
DEBUG some T4 MDC-TEST4 [main] root - Message 2
 INFO some T4 MDC-TEST4 [main] SocketServerTestCase - Message 3
 WARN some T4 MDC-TEST4 [main] SocketServerTestCase - Message 4
LETHAL some T4 MDC-TEST4 [main] SocketServerTestCase - Message 5