if line == expected {
					foundAThread = true
					break
				}
				if filter == "Groups:" && strings.HasPrefix(line, "Groups:\t") {
					// https://github.com/golang/go/issues/46145
					// Containers don't reliably output this line in sorted order so manually sort and compare that.
					a := strings.Split(line[8:], " ")
					sort.Strings(a)
					got := strings.Join(a, " ")

3271, 3287, 3310, 3327, 3355, 3374, 3404, 3424, 3452, 3467, 3485, 3500, 3514, 3549, 3568, 3579, 3592, 3607, 3630, 3656, 3672, 3690, 3708, 3722, 3739, 3770, 3790, 3811, 3832, 3851, 3870, 3888, 3911, 3935, 3959, 3984, 4019, 4044, 4078, 4111, 4132, 4146, 4165, 4194, 4217, 4244, 4278, 4310, 4340, 4363, 4391, 4423, 4451, 4475, 4499, 4528, 4546, 4563, 4585, 4602, 4620, 4640, 4666, 4682, 4701, 4722, 4726, 4744, 4761, 4787, 4801, 4825, 4846, 4861, 4879, 4902, 4917, 4936, 4953, 4970, 4994, 5021, 5044, 5067, 5084,...

func stack4604() { var buf [4604]byte; use(buf[:]); C.callGoStackCheck() }
func stack4608() { var buf [4608]byte; use(buf[:]); C.callGoStackCheck() }
func stack4612() { var buf [4612]byte; use(buf[:]); C.callGoStackCheck() }
func stack4616() { var buf [4616]byte; use(buf[:]); C.callGoStackCheck() }
func stack4620() { var buf [4620]byte; use(buf[:]); C.callGoStackCheck() }
func stack4624() { var buf [4624]byte; use(buf[:]); C.callGoStackCheck() }