When reusing a TCP connection, ensure that it's aborted if a previous
shutdown attempt has been made on that connection so that the RPC over
TCP recovery mechanism succeeds.
Signed-off-by: NAndy Chittenden <andyc.bluearc@gmail.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>