initial server (selected original log lines; tunnel identifiers omitted)
[01:12:17.770] INFO (#607): Relay client process started; waiting for tunnel connection
    pid: 149681,
[01:12:18.426] INFO (#1348): Relay client tunnel connection registered
    pid: 149681,
[01:12:18.676] INFO (#1348): Relay client tunnel connection registered
    pid: 149681,
[01:12:20.670] INFO (#1348): Relay client tunnel connection registered
    pid: 149681,
[01:12:33.027] INFO (#1348): Relay client tunnel connection registered
    pid: 149681,
restart server (selected original log lines; tunnel identifiers omitted)
[01:12:39.331] INFO (#113): Stopping a relay client left by a previous T3 Code server
  { pid: 149681 }
[01:12:40.175] INFO (#608): Relay client process started; waiting for tunnel connection
    pid: 150241,
[01:12:40.452] INFO (#1150): Relay client tunnel connection registered
    pid: 150241,
[01:12:41.011] INFO (#1150): Relay client tunnel connection registered
    pid: 150241,
[01:12:41.716] INFO (#1150): Relay client tunnel connection registered
    pid: 150241,
[01:12:42.966] INFO (#1150): Relay client tunnel connection registered
    pid: 150241,