length_t mtu; /* Maximum size of packets to send to this node */
length_t minmtu; /* Probed minimum MTU */
length_t maxmtu; /* Probed maximum MTU */
length_t mtu; /* Maximum size of packets to send to this node */
length_t minmtu; /* Probed minimum MTU */
length_t maxmtu; /* Probed maximum MTU */