panic: Unknown syscall 257 error: link should be resolved via Readlink() goroutine 1695032 [running]: gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).ExtractErrno(0xc000e80000, 0xe92420, 0xc000130650, 0x101, 0x408340) pkg/sentry/kernel/task_syscall.go:446 +0x364 gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0xc000e80000, 0x101, 0xffffffffffffff9c, 0x20001a80, 0x408340, 0x40, 0x0, 0x0, 0x0, 0x0) pkg/sentry/kernel/task_syscall.go:293 +0x16d gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0xc000e80000, 0x101, 0xffffffffffffff9c, 0x20001a80, 0x408340, 0x40, 0x0, 0x0, 0xc0002592c0, 0xebcb00) pkg/sentry/kernel/task_syscall.go:244 +0x96 DIAGNOSIS: retrieving stacks: getting sandbox "ci-gvisor-main-3" stacks: urpc method "debug.Stacks" failed: connection reset by peer