panic: Unknown syscall 257 error: link should be resolved via Readlink() goroutine 325 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ExtractErrno(0xc0006c1500, 0xe920e0, 0xc0000ee7f0, 0x101, 0x275a) pkg/sentry/kernel/task_syscall.go:446 +0x364 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc0006c1500, 0x101, 0xffffffffffffff9c, 0x20001080, 0x275a, 0x0, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:293 +0x16d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc0006c1500, 0x101, 0xffffffffffffff9c, 0x20001080, 0x275a, 0x0, 0x0, 0x0, 0xc000676c00, 0xebc720) pkg/sentry/kernel/task_syscall.go:244 +0x96 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc0006c1500, 0x2, 0xc0006be240) pkg/sentry/kernel/task_syscall.go:219 +0x13d gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc0006c1500, 0xe929c0, 0x0) pkg/sentry/kernel/task_run.go:219 +0xe09 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc0006c1500, 0x49) pkg/sentry/kernel/task_run.go:91 +0x194 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:287 +0xfe