SYZFAIL: tun: read failed (errno 9: Bad file descriptor) SYZFAIL: child failed (errno 0: No error: 0) if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 Expensive timeout(9) function: 0xffffffff8119fd50(0) 0.005655974 s if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800 if_delmulti_locked: detaching ifnet instance 0xfffff80027c48800