State on R1:
============
    IPv4 Prefix           MPLS Label
P1: 198.51.100.1/32       16001
P2: 198.51.100.2/32       16002

    IPv6 Prefix           MPLS Label
P3: 2001:db8:0:10::1/128  16003
P4: 2001:db8:0:10::2/128  16004

RSVP MPLS LSPv4-Tunnel:
 Source:        198.51.100.3
 Destination:   198.51.100.4
 Tunnel-ID:     10
 LSP-ID:        1
                               192.0.2.5/30
                               2001:db8:0:1::1/64
                              eth0
                              +---
                             /
                        +-----+
                        | R1  |
                        +-----+
                             \
                              +---
                              eth1
                               192.0.2.13/30
                               2001:db8:0:2::1/64