panic: ptrace get fpregs failed: no such process

goroutine 569 [running]:
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*subprocess).switchToApp(0xc00026a480, 0xc000016780, 0xd12c20, 0xc000413e60, 0xc000fe3e00)
	pkg/sentry/platform/ptrace/subprocess.go:517 +0x719
gvisor.googlesource.com/gvisor/pkg/sentry/platform/ptrace.(*context).Switch(0xc000016780, 0xd09240, 0xc00026a480, 0xd12c20, 0xc000413e60, 0x7f88ffffffff, 0x0, 0x0, 0x0, 0x0)
	pkg/sentry/platform/ptrace/ptrace.go:102 +0x74
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*runApp).execute(0x0, 0xc000884a80, 0xcfca00, 0x0)
	pkg/sentry/kernel/task_run.go:209 +0x348
gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).run(0xc000884a80, 0x5b)
	pkg/sentry/kernel/task_run.go:95 +0x163
created by gvisor.googlesource.com/gvisor/pkg/sentry/kernel.(*Task).Start
	pkg/sentry/kernel/task_start.go:279 +0xfe