xfrm_cleanup
if (xfrm_cleanup(xfrm_sock, seq, src, dst, tunsrc, tundst)) {
xfrm_cleanup(xfrm_sock, seq, src, dst, tunsrc, tundst);
xfrm_cleanup(xfrm_sock, seq, src, dst, tunsrc, tundst);
xfrm_cleanup(xfrm_sock, seq, src, dst, tunsrc, tundst);
if (xfrm_cleanup(xfrm_sock, seq, src, dst, tunsrc, tundst)) {