ebe_qentry
TAILQ_INSERT_TAIL(&ebq, ebe, ebe_qentry);
TAILQ_FOREACH_SAFE(ebe, &ebq, ebe_qentry, nebe) {
TAILQ_REMOVE(&ebq, ebe, ebe_qentry);
TAILQ_INSERT_TAIL(&ebq, ebe, ebe_qentry);
TAILQ_FOREACH_SAFE(ebe, &ebq, ebe_qentry, nebe) {
TAILQ_REMOVE(&ebq, ebe, ebe_qentry);