panic: Unknown syscall 8 error: EOF goroutine 2090903 [running]: panic(0x16dc160, 0xc003d9a910) GOROOT/src/runtime/panic.go:1064 +0x470 fp=0xc000e81940 sp=0xc000e81888 pc=0x439090 gvisor.dev/gvisor/pkg/sentry/kernel.ExtractErrno(0x1a73ea0, 0xc000150110, 0x8, 0x801) pkg/sentry/kernel/task_syscall.go:402 +0x48d fp=0xc000e819d0 sp=0xc000e81940 pc=0xd6380d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc01d02aa80, 0x8, 0x3, 0x801, 0x0, 0x0, 0x0, 0x0, 0x408638, 0xc01d02b35f) pkg/sentry/kernel/task_syscall.go:249 +0x15b fp=0xc000e81ab0 sp=0xc000e819d0 pc=0xd6149b gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc01d02aa80, 0x8, 0x3, 0x801, 0x0, 0x0, 0x0, 0x0, 0x1375f2b, 0x2d19694) pkg/sentry/kernel/task_syscall.go:199 +0x10f fp=0xc000e81b60 sp=0xc000e81ab0 pc=0xd60d0f gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc01d02aa80, 0x2, 0xc01d02aa80) pkg/sentry/kernel/task_syscall.go:174 +0x1ea fp=0xc000e81ca0 sp=0xc000e81b60 pc=0xd604aa gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc01d02aa80, 0x1a74c40, 0x0) pkg/sentry/kernel/task_run.go:282 +0x12a7 fp=0xc000e81ed8 sp=0xc000e81ca0 pc=0xd4be27 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc01d02aa80, 0x4432) pkg/sentry/kernel/task_run.go:97 +0x398 fp=0xc000e81fd0 sp=0xc000e81ed8 pc=0xd49f58 runtime.goexit() src/runtime/asm_amd64.s:1374 +0x1 fp=0xc000e81fd8 sp=0xc000e81fd0 pc=0x4745e1 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:323 +0x1a5