Using port-fixer results in constant "you have been dropped from the game"

[samip5]

I can connect via the server browser, but that's about the good things about the thing.

It crashes within 5-10 minutes and yeets people from the game, thus it's not usable.

{"level":"info","ts":1730954448.9768598,"caller":"cmd/local.go:115","msg":"Healthcheck server started"}
⇨ http server started on [::]:34197
{"level":"info","ts":1730954448.9770958,"caller":"cmd/local.go:126","msg":"Accepting a new packet","IP":"127.0.0.1","Port":34197}
{"level":"info","ts":1730954449.8182333,"caller":"cmd/local.go:135","msg":"Read from socket","Bytes":1,"Remote":"127.0.0.1:31497"}
{"level":"info","ts":1730954449.8185377,"caller":"cmd/local.go:126","msg":"Accepting a new packet","IP":"127.0.0.1","Port":34197}
{"level":"error","ts":1730954460.6474876,"caller":"cmd/local.go:90","msg":"net.WriteTo() error: write udp 127.0.0.1:33396->10.244.3.190:34197: sendto: invalid argument\n","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:90\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"info","ts":1730954464.8349073,"caller":"cmd/local.go:135","msg":"Read from socket","Bytes":1,"Remote":"127.0.0.1:31497"}
{"level":"info","ts":1730954464.8350172,"caller":"cmd/local.go:126","msg":"Accepting a new packet","IP":"127.0.0.1","Port":34197}
{"level":"error","ts":1730954465.6477158,"caller":"cmd/local.go:103","msg":"net.ReadFromUDP() error: %sread udp 127.0.0.1:33396: i/o timeout","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:103\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"error","ts":1730954470.6487434,"caller":"cmd/local.go:90","msg":"net.WriteTo() error: write udp 127.0.0.1:34867->10.244.3.190:34197: sendto: invalid argument\n","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:90\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"error","ts":1730954475.652859,"caller":"cmd/local.go:103","msg":"net.ReadFromUDP() error: %sread udp 127.0.0.1:34867: i/o timeout","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:103\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"info","ts":1730954479.851469,"caller":"cmd/local.go:135","msg":"Read from socket","Bytes":1,"Remote":"127.0.0.1:31497"}
{"level":"info","ts":1730954479.851639,"caller":"cmd/local.go:126","msg":"Accepting a new packet","IP":"127.0.0.1","Port":34197}
{"level":"error","ts":1730954480.6504633,"caller":"cmd/local.go:90","msg":"net.WriteTo() error: write udp 127.0.0.1:42082->10.244.3.190:34197: sendto: invalid argument\n","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:90\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"error","ts":1730954481.7055345,"caller":"cmd/local.go:132","msg":"net.ReadFromUDP() error: read udp 127.0.0.1:34197: use of closed network connection","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.3\n\t/app/cmd/local.go:132\ngolang.org/x/sync/errgroup.(*Group).Go.func1\n\t/go/pkg/mod/golang.org/x/sync@v0.1.0/errgroup/errgroup.go:75"}
{"level":"error","ts":1730954485.6513758,"caller":"cmd/local.go:103","msg":"net.ReadFromUDP() error: %sread udp 127.0.0.1:42082: i/o timeout","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1.1\n\t/app/cmd/local.go:103\ngithub.com/labstack/echo/v4.(*Echo).add.func1\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:546\ngithub.com/labstack/echo/v4.(*Echo).ServeHTTP\n\t/go/pkg/mod/github.com/labstack/echo/v4@v4.10.0/echo.go:633\nnet/http.serverHandler.ServeHTTP\n\t/usr/local/go/src/net/http/server.go:2947\nnet/http.(*conn).serve\n\t/usr/local/go/src/net/http/server.go:1991"}
{"level":"info","ts":1730954485.8899777,"caller":"cmd/local.go:190","msg":"graceful shutting down"}
{"level":"error","ts":1730954485.8901227,"caller":"cmd/local.go:195","msg":"exit reason: read udp 127.0.0.1:34197: use of closed network connection","stacktrace":"github.com/zcube/factorio-port-fixer/cmd.glob..func1\n\t/app/cmd/local.go:195\ngithub.com/spf13/cobra.(*Command).execute\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:920\ngithub.com/spf13/cobra.(*Command).ExecuteC\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:1044\ngithub.com/spf13/cobra.(*Command).Execute\n\t/go/pkg/mod/github.com/spf13/cobra@v1.6.1/command.go:968\ngithub.com/zcube/factorio-port-fixer/cmd.Execute\n\t/app/cmd/root.go:31\nmain.main\n\t/app/main.go:10\nruntime.main\n\t/usr/local/go/src/runtime/proc.go:250"}