add->peer.sa = add->r.sa;
if (p_findbyaddr(&add->r.sa))
a_bgfail(&add->r.bg, "peer-addr-exists", "?ADDR", &add->r.sa, A_END);
add->peer.sa = add->r.sa;
if (p_findbyaddr(&add->r.sa))
a_bgfail(&add->r.bg, "peer-addr-exists", "?ADDR", &add->r.sa, A_END);