SYZFAIL: failed to recv rpc
fd=3 want=4 recv=0 n=0 (errno 9: Bad file descriptor)
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800
if_delmulti_locked: detaching ifnet instance 0xfffffe006de3f800