Rodriguez v. Robbins, 715 F.3d 1127 (9th Cir. 2013) (bright-line rule that immigration detention exceeding six months requires a bond hearing); compare Diop v. ICE/DHS Diop v. ICE/Homeland Sec., 656 F.3d 221 (3d Cir. 2011), and Ly v. Hansen, 351 F.3d 263 (6th Cir. 2003) (adopting a loosely defined standard that asks whether detention has become unreasonably prolonged).