auto vmbr1
iface vmbr1 inet6 static
address 2603:c020:7777:xxxx::5/128 #后台分配的另一个ipv6
bridge_ports none
bridge_stp off
bridge_fd 0
post-up ip -6 route add fe80::网关 dev vmbr0
pre-down ip -6 route del fe80::网关 dev vmbr0
post-up ip -6 neigh add proxy 2603:c020:7777:xxxx::5 dev vmbr1
pre-down ip -6 neigh del proxy 2603:c020:7777:xxxx::5 dev vmbr1
post-up ip -6 r add 2603:c020:7777:xxxx::/64 dev vmbr1
pre-down ip -6 r del 2603:c020:7777:xxxx::/64 dev vmbr1