Nafi’ told that ‘Abdullah bin ‘Umar used to say Taslim between (the first) two Rakat and (the third) odd one in the Witr prayer, when he wanted to attend to a certain matter (during that interval between the Rakat).
Hadith In Arabic Text :
وعن نافع، أن عبد الله بن عمر، كان يسلم بين الركعة والركعتين في الوتر، حتى يأمر ببعض حاجته.
Chapter : Witr Prayer – كتاب الوتر