When the socket is migrated from one polling group to another (e.g., iSCSI target example), we should add it into pending_recv_list Signed-off-by: Ziye Yang <ziye.yang@intel.com> Change-Id: I56d34000344ae452a25b82952c831f09e0266d66 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/1448 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>