panic: thread group not visible in its own or an ancestor PID namespace

goroutine 35047 gp=0x38128604e3c0 m=65 mp=0x38128648c808 [running]:
panic({0x12a7f20?, 0x15f2540?})
	GOROOT/src/runtime/panic.go:879 +0x16f fp=0x38128643f300 sp=0x38128643f250 pc=0x48c52f
gvisor.dev/gvisor/pkg/sentry/kernel.(*ThreadGroup).PIDNamespacedIDs(0x38128659fc08)
	pkg/sentry/kernel/threads.go:377 +0x107 fp=0x38128643f360 sp=0x38128643f300 pc=0xb55087
gvisor.dev/gvisor/pkg/sentry/socket/control.NewSCMCredentials(0x3812866b7208, {{{}}, 0x856e8af0?, 0x3812?, 0x2b78?})
	pkg/sentry/socket/control/control.go:80 +0xba fp=0x38128643f3a0 sp=0x38128643f360 pc=0xb9dffa
gvisor.dev/gvisor/pkg/sentry/socket/control.Parse(0x3812866b7208, {0x1555ae0, 0x381285da6690}, {0x3812856e8ae0?, 0x3?, 0x147bf60?}, 0x8)
	pkg/sentry/socket/control/control.go:484 +0x6aa fp=0x38128643f590 sp=0x38128643f3a0 pc=0xb9faaa
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.sendSingleMsg(0x3812866b7208, {0x7f485aa72258, 0x381285da6690}, 0x381285da6690, 0x3812866b7208?, 0x0)
	pkg/sentry/syscalls/linux/sys_socket.go:1097 +0x2ec fp=0x38128643f8d8 sp=0x38128643f590 pc=0xd112cc
gvisor.dev/gvisor/pkg/sentry/syscalls/linux.SendMsg(0x3812866b7208, 0x381284f90008?, {{0x3}, {0x200000002b40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/syscalls/linux/sys_socket.go:988 +0x1cb fp=0x38128643f988 sp=0x38128643f8d8 pc=0xd1022b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).executeSyscall(0x3812866b7208, 0x2e, {{0x3}, {0x200000002b40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:143 +0x67d fp=0x38128643fcc8 sp=0x38128643f988 pc=0xb4dcfd
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallInvoke(0x3812866b7208, 0x2e, {{0x3}, {0x200000002b40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:323 +0x4b fp=0x38128643fd20 sp=0x38128643fcc8 pc=0xb4ee8b
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscallEnter(0x3812866b7208, 0x2e, {{0x3}, {0x200000002b40}, {0x0}, {0x0}, {0x0}, {0x0}})
	pkg/sentry/kernel/task_syscall.go:283 +0x68 fp=0x38128643fd70 sp=0x38128643fd20 pc=0xb4eba8
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).doSyscall(0x38128570ac30?)
	pkg/sentry/kernel/task_syscall.go:258 +0x2a5 fp=0x38128643fe48 sp=0x38128643fd70 pc=0xb4e925
gvisor.dev/gvisor/pkg/sentry/kernel.(*runApp).execute(0x3812865893b0?, 0x3812866b7208)
	pkg/sentry/kernel/task_run.go:258 +0xf9c fp=0x38128643ff30 sp=0x38128643fe48 pc=0xb4379c
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).run(0x3812866b7208, 0x2500)
	pkg/sentry/kernel/task_run.go:89 +0x202 fp=0x38128643ffc0 sp=0x38128643ff30 pc=0xb42302
gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start.gowrap1()
	pkg/sentry/kernel/task_start.go:531 +0x1b fp=0x38128643ffe0 sp=0x38128643ffc0 pc=0xb4c81b
runtime.goexit({})
	src/runtime/asm_amd64.s:1771 +0x1 fp=0x38128643ffe8 sp=0x38128643ffe0 pc=0x4951e1
created by gvisor.dev/gvisor/pkg/sentry/kernel.(*Task).Start in goroutine 35022
	pkg/sentry/kernel/task_start.go:531 +0xc5