Shutdown logic of modules faulty

[jdknives]

Describe the bug
We currently do not shutdown some modules cleanly. Module shutdown consistently times out for at least router and transport manager.

[2021-07-09T23:57:29+02:00] INFO [visor:shutdown]: Begin shutdown.
[2021-07-09T23:57:29+02:00] INFO [11/11] [visor:shutdown:transport_setup.rpc]: Shutting down module...
[2021-07-09T23:57:29+02:00] INFO [proc:skysocks:278ee827ba624950acf4a07f4e11e2fe]: Request processed. _elapsed="5.199020695s" _method="Accept" _received="11:57PM" error="listening on closed connection" input=0xc000426420 output=&{Remote:000000000000000000000000000000000000000000000000000000000000000000:~ ConnID:0}
[2021-07-09T23:57:29+02:00] INFO [11/11] [visor:shutdown:transport_setup.rpc]: Module stopped cleanly. elapsed=94.566µs
[2021-07-09T23:57:29+02:00] INFO [proc:skysocks:278ee827ba624950acf4a07f4e11e2fe]: Request processed. _elapsed="30.032µs" _method="CloseConn" _received="11:57PM" input=0xc0005125b6
[2021-07-09T23:57:29+02:00] INFO [10/11] [visor:shutdown:snet.dmsgctrl]: Shutting down module...
[2021-07-09T23:57:29+02:00] ERROR [transport_setup]: failed to accept error="dmsg error 200 - local entity closed"
[2021-07-09T23:57:29+02:00] INFO [10/11] [visor:shutdown:snet.dmsgctrl]: Module stopped cleanly. elapsed=195.418µs
[2021-07-09T23:57:29+02:00] INFO [9/11] [visor:shutdown:launcher.proc_manager]: Shutting down module...
[2021-07-09T23:57:29+02:00] INFO [proc_manager]: App stopped successfully. app_name="skychat"
[2021-07-09T23:57:29+02:00] INFO [proc:skychat:596c45fc27dd403fa5592ba3575c43f6]: Request processed. _elapsed="5.211678224s" _method="Accept" _received="11:57PM" error="listening on closed connection" input=0xc000512050 output=&{Remote:000000000000000000000000000000000000000000000000000000000000000000:~ ConnID:0}
[2021-07-09T23:57:29+02:00] INFO [proc_manager]: App stopped successfully. app_name="skysocks"
[2021-07-09T23:57:29+02:00] INFO [9/11] [visor:shutdown:launcher.proc_manager]: Module stopped cleanly. elapsed=2.51012ms
[2021-07-09T23:57:29+02:00] INFO [8/11] [visor:shutdown:router.serve]: Shutting down module...
[2021-07-09T23:57:29+02:00] INFO [router]: Closing all App connections and RouteGroups
[2021-07-09T23:57:29+02:00] INFO [transport_manager]: transport manager is closing.
[2021-07-09T23:57:29+02:00] INFO [router]: Setup client stopped serving. error="dmsg error 200 - local entity closed"
[2021-07-09T23:57:29+02:00] INFO serveRouteGroup [launcher]: Stopped accepting routes. _=skynet error="accept skynet: use of closed network connection"
[2021-07-09T23:57:31+02:00] ERROR [8/11] [visor:shutdown:router.serve]: Module timed out. elapsed=2.000388153s
[2021-07-09T23:57:31+02:00] INFO [7/11] [visor:shutdown:transport.manager]: Shutting down module...
[2021-07-09T23:57:33+02:00] ERROR [7/11] [visor:shutdown:transport.manager]: Module timed out. elapsed=2.00045317s
[2021-07-09T23:57:33+02:00] INFO [6/11] [visor:shutdown:uptime_tracker]: Shutting down module...
[2021-07-09T23:57:33+02:00] INFO [6/11] [visor:shutdown:uptime_tracker]: Module stopped cleanly. elapsed=97.709µs
[2021-07-09T23:57:33+02:00] INFO [5/11] [visor:shutdown:router.serve]: Shutting down module...
[2021-07-09T23:57:33+02:00] INFO [dmsgpty:cli-server]: Cleanly stopped serving.
[2021-07-09T23:57:33+02:00] INFO [5/11] [visor:shutdown:router.serve]: Module stopped cleanly. elapsed=293.476µs
[2021-07-09T23:57:33+02:00] INFO [4/11] [visor:shutdown:router.serve]: Shutting down module...
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: Serve() ended. dmsgpty="host" error=<nil>
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: Cleanly stopped serving. dmsgpty="host" error="dmsg error 200 - local entity closed"
[2021-07-09T23:57:33+02:00] INFO [4/11] [visor:shutdown:router.serve]: Module stopped cleanly. elapsed=221.329µs
[2021-07-09T23:57:33+02:00] INFO [3/11] [visor:shutdown:dmsgC]: Shutting down module...
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: Stopped serving client!
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: Stopped serving client!
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: Session closed. error=<nil>
[2021-07-09T23:57:33+02:00] INFO [dmsgC]: All sessions closed.
[2021-07-09T23:57:33+02:00] WARN [dmsgC]: Stopped accepting streams. error="session shutdown" session=02347729662a901d03f1a1ab6c189a173349fa11e79fe82117cca0f8d0e4d64a31
[2021-07-09T23:57:33+02:00] INFO [3/11] [visor:shutdown:dmsgC]: Module stopped cleanly. elapsed=292.149µs
[2021-07-09T23:57:33+02:00] INFO [2/11] [visor:shutdown:cli.listener]: Shutting down module...
2021/07/09 23:57:33 rpc.Serve: accept:accept tcp 127.0.0.1:3435: use of closed network connection
[2021-07-09T23:57:33+02:00] WARN [transport_manager]: Failed to accept connection: dmsg error 200 - local entity closed
[2021-07-09T23:57:33+02:00] INFO [2/11] [visor:shutdown:cli.listener]: Module stopped cleanly. elapsed=139.125µs
[2021-07-09T23:57:33+02:00] INFO [1/11] [visor:shutdown:event_broadcaster]: Shutting down module...
[2021-07-09T23:57:33+02:00] INFO [1/11] [visor:shutdown:event_broadcaster]: Module stopped cleanly. elapsed=281.323µs
[2021-07-09T23:57:33+02:00] INFO [visor:shutdown]: Shutdown complete. Goodbye!

Its not particularly problematic but should be fixed.