panic: Unknown syscall 85 error: link should be resolved via Readlink() goroutine 999 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ExtractErrno(0xc000595500, 0x13b8c40, 0xc0000f07f0, 0x55, 0x0) pkg/sentry/kernel/task_syscall.go:446 +0x536 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000595500, 0x55, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x0, 0x55, 0xc0002c6ff0) pkg/sentry/kernel/task_syscall.go:293 +0x158 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000595500, 0x55, 0x20000080, 0x1, 0x0, 0x0, 0x0, 0x0, 0xc000567d38, 0xd899c5) pkg/sentry/kernel/task_syscall.go:244 +0x10a gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0xc000595500, 0x2, 0xc0003e8780) pkg/sentry/kernel/task_syscall.go:219 +0x1b7 gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000595500, 0x13b9520, 0x0) pkg/sentry/kernel/task_run.go:219 +0x1524 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0xc000595500, 0x54) pkg/sentry/kernel/task_run.go:91 +0x2e6 created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start pkg/sentry/kernel/task_start.go:287 +0x19e