s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
s = d_log_interface(s, &size, &ptr);
if (addr->shadow_message)
s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
s = d_log_interface(s, &size, &ptr);
if (addr->shadow_message)