Datarace in skywire

[ersonp]

Describe the bug
Following dataraces were found during e2e-tests

==================
WARNING: DATA RACE
Write at 0x00c0002d3258 by goroutine 80:
  sync/atomic.AddInt64()
      /usr/local/go/src/runtime/race_amd64.s:313 +0xb
  sync/atomic.AddUint64()
      <autogenerated>:1 +0x1b
  github.com/skycoin/skywire/pkg/transport.(*ManagedTransport).WritePacket()
      /skywire/pkg/transport/managed_transport.go:373 +0x15e
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).writePacket()
      /skywire/pkg/router/route_group.go:382 +0x98
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).sendPing()
      /skywire/pkg/router/route_group.go:455 +0x54a
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).pingServiceFn()
      /skywire/pkg/router/route_group.go:481 +0x30
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).pingServiceFn-fm()
      /skywire/pkg/router/route_group.go:480 +0x44
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).servicePacketLoop()
      /skywire/pkg/router/route_group.go:496 +0xde
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).startOffServiceLoops·dwrap·7()
      /skywire/pkg/router/route_group.go:429 +0x71

Previous read at 0x00c0002d3258 by goroutine 143:
  github.com/skycoin/skywire/pkg/transport.(*LogEntry).GobEncode()
      /skywire/pkg/transport/log.go:52 +0x3de
  encoding/gob.(*Encoder).encodeGobEncoder()
      /usr/local/go/src/encoding/gob/encode.go:478 +0x186
  encoding/gob.gobEncodeOpFor.func1()
      /usr/local/go/src/encoding/gob/encode.go:622 +0x234
  encoding/gob.(*Encoder).encodeStruct()
      /usr/local/go/src/encoding/gob/encode.go:328 +0x569
  encoding/gob.encOpFor.func4()
      /usr/local/go/src/encoding/gob/encode.go:581 +0x168
  encoding/gob.(*Encoder).encodeArray()
      /usr/local/go/src/encoding/gob/encode.go:351 +0x39a
  encoding/gob.encOpFor.func1()
      /usr/local/go/src/encoding/gob/encode.go:551 +0x215
  encoding/gob.(*Encoder).encodeStruct()
      /usr/local/go/src/encoding/gob/encode.go:328 +0x569
  encoding/gob.(*Encoder).encode()
      /usr/local/go/src/encoding/gob/encode.go:701 +0x28d
  encoding/gob.(*Encoder).EncodeValue()
      /usr/local/go/src/encoding/gob/encoder.go:251 +0x72f
  encoding/gob.(*Encoder).Encode()
      /usr/local/go/src/encoding/gob/encoder.go:176 +0x152
  net/rpc.(*gobServerCodec).WriteResponse()
      /usr/local/go/src/net/rpc/server.go:414 +0x1c8
  net/rpc.(*Server).sendResponse()
      /usr/local/go/src/net/rpc/server.go:353 +0x1d7
  net/rpc.(*service).call()
      /usr/local/go/src/net/rpc/server.go:384 +0x364
  net/rpc.(*Server).ServeCodec·dwrap·4()
      /usr/local/go/src/net/rpc/server.go:474 +0x16b

Goroutine 80 (running) created at:
  github.com/skycoin/skywire/pkg/router.(*RouteGroup).startOffServiceLoops()
      /skywire/pkg/router/route_group.go:429 +0x384
  github.com/skycoin/skywire/pkg/router.(*router).AcceptRoutes()
      /skywire/pkg/router/router.go:351 +0x68c
  github.com/skycoin/skywire/pkg/app/appnet.(*SkywireNetworker).serveRouteGroup()
      /skywire/pkg/app/appnet/skywire_networker.go:114 +0x11c
  github.com/skycoin/skywire/pkg/app/appnet.(*SkywireNetworker).ListenContext.func1()
      /skywire/pkg/app/appnet/skywire_networker.go:98 +0x50

Goroutine 143 (finished) created at:
  net/rpc.(*Server).ServeCodec()
      /usr/local/go/src/net/rpc/server.go:474 +0x5f7
  net/rpc.(*Server).ServeConn()
      /usr/local/go/src/net/rpc/server.go:449 +0x63d
  net/rpc.(*Server).Accept·dwrap·5()
      /usr/local/go/src/net/rpc/server.go:630 +0x58
==================
2022/09/22 16:09:21 rpc.Serve: accept:accept tcp [::]:3435: use of closed network connection
Found 1 data race(s)
==================
WARNING: DATA RACE
Read at 0x00c0004a04b0 by goroutine 68:
  runtime.mapaccess2_faststr()
      /usr/local/go/src/runtime/map_faststr.go:107 +0x0
  github.com/skycoin/skywire/pkg/transport.(*Manager).Stcpr()
      /skywire/pkg/transport/manager.go:261 +0x1c4
  github.com/skycoin/skywire/pkg/visor.initPublicVisor()
      /skywire/pkg/visor/init.go:869 +0x168
  github.com/skycoin/skywire/pkg/visor.withInitCtx.func1()
      /skywire/pkg/visor/init.go:1150 +0xce
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent()
      /skywire/pkg/visor/visorinit/module.go:137 +0x481
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent·dwrap·4()
      /skywire/pkg/visor/visorinit/module.go:116 +0x58

Previous write at 0x00c0004a04b0 by goroutine 22:
  runtime.mapassign_faststr()
      /usr/local/go/src/runtime/map_faststr.go:202 +0x0
  github.com/skycoin/skywire/pkg/transport.(*Manager).InitClient()
      /skywire/pkg/transport/manager.go:155 +0x199
  github.com/skycoin/skywire/pkg/visor.initSudphClient()
      /skywire/pkg/visor/init.go:375 +0x42d
  github.com/skycoin/skywire/pkg/visor.withInitCtx.func1()
      /skywire/pkg/visor/init.go:1150 +0xce
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent()
      /skywire/pkg/visor/visorinit/module.go:137 +0x481
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent·dwrap·4()
      /skywire/pkg/visor/visorinit/module.go:116 +0x58

Goroutine 68 (running) created at:
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent()
      /skywire/pkg/visor/visorinit/module.go:116 +0x1e4
  github.com/skycoin/skywire/pkg/visor.NewVisor()
      /skywire/pkg/visor/visor.go:155 +0xb53
  github.com/skycoin/skywire/cmd/skywire-visor/commands.runVisor()
      /skywire/cmd/skywire-visor/commands/root.go:327 +0xedc
  github.com/skycoin/skywire/cmd/skywire-visor/commands.runApp()
      /skywire/cmd/skywire-visor/commands/nosystray.go:14 +0x25
  github.com/skycoin/skywire/cmd/skywire-visor/commands.glob..func2()
      /skywire/cmd/skywire-visor/commands/root.go:237 +0x1e
  github.com/spf13/cobra.(*Command).execute()
      /skywire/vendor/github.com/spf13/cobra/command.go:860 +0xaf3
  github.com/spf13/cobra.(*Command).ExecuteC()
      /skywire/vendor/github.com/spf13/cobra/command.go:974 +0x5da
  github.com/spf13/cobra.(*Command).Execute()
      /skywire/vendor/github.com/spf13/cobra/command.go:902 +0x19c
  github.com/skycoin/skywire/cmd/skywire-visor/commands.Execute()
      /skywire/cmd/skywire-visor/commands/root.go:375 +0x185
  main.main()
      /skywire/cmd/skywire-visor/skywire-visor.go:16 +0x35

Goroutine 22 (finished) created at:
  github.com/skycoin/skywire/pkg/visor/visorinit.(*Module).InitConcurrent()
      /skywire/pkg/visor/visorinit/module.go:116 +0x1e4
  github.com/skycoin/skywire/pkg/visor.NewVisor·dwrap·61()
      /skywire/pkg/visor/visor.go:154 +0x58
==================