s = format (s, "iip %U ispi %lx rip %U rspi %lx",
format_ip_address, &sa->iaddr, sa->ispi,
format_ip_address, &sa->raddr, sa->rspi);
s = format (s, "iip %U ispi %lx rip %U rspi %lx",
format_ip_address, &sa->iaddr, sa->ispi,
format_ip_address, &sa->raddr, sa->rspi);