initial server (selected original log lines; tunnel identifiers omitted)
[01:10:59.850] INFO (#609): Relay client process started; waiting for tunnel connection
    pid: 147577,
[01:11:00.267] INFO (#1238): Relay client tunnel connection registered
    pid: 147577,
[01:11:00.887] INFO (#1238): Relay client tunnel connection registered
    pid: 147577,
[01:11:01.485] INFO (#1238): Relay client tunnel connection registered
    pid: 147577,
[01:11:02.479] INFO (#1238): Relay client tunnel connection registered
    pid: 147577,
restart server (selected original log lines; tunnel identifiers omitted)
[01:11:09.464] INFO (#618): Relay client process started; waiting for tunnel connection
    pid: 147900,
[01:11:09.773] INFO (#1139): Relay client tunnel connection registered
    pid: 147900,
[01:11:10.006] INFO (#1139): Relay client tunnel connection registered
    pid: 147900,
[01:11:11.317] INFO (#1139): Relay client tunnel connection registered
    pid: 147900,
[01:11:12.059] INFO (#1139): Relay client tunnel connection registered
    pid: 147900,