set interfaces ethernet eth0 address 'dhcpv6'
set interfaces ethernet eth0 dhcpv6-options pd 0 interface eth1 address '1'
set interfaces ethernet eth0 dhcpv6-options pd 0 interface eth1 sla-id '0'
set interfaces ethernet eth0 dhcpv6-options pd 0 length '64'

vyos@vyos# run show dhcpv6 server leases 
Traceback (most recent call last):
  File "/usr/libexec/vyos/op_mode/show_dhcpv6.py", line 209, in <module>
    leases = get_leases(conf, lease_file, args.state, args.pool, args.sort)
  File "/usr/libexec/vyos/op_mode/show_dhcpv6.py", line 142, in get_leases
    leases = sorted(leases, key = lambda k: int(ip_address(k['ip'])))
  File "/usr/libexec/vyos/op_mode/show_dhcpv6.py", line 142, in <lambda>
    leases = sorted(leases, key = lambda k: int(ip_address(k['ip'])))
  File "/usr/lib/python3.7/ipaddress.py", line 54, in ip_address
    address)
ValueError: '2001:db8:290::/64' does not appear to be an IPv4 or IPv6 address

vyos@vyos# run show version | match Version
Version:          VyOS 1.3.0
[edit]
vyos@vyos# run show dhcpv6 server leases 
IPv6 address        State    Last communication    Lease expiration     Remaining    Type           Pool         IAID_DUID
------------------  -------  --------------------  -------------------  -----------  -------------  -----------  -----------------------------------------------------------------
2001:db8:3456::187  active   2022/02/15 09:28:10   2022/02/15 21:28:10  11:58:28     non-temporary  VyOS-DHCPv6  00:00:00:00:00:04:79:76:62:99:23:ad:43:fb:9c:5b:1c:1e:59:4b:58:01

sudo rm /etc/systemd/system/conntrackd.service.d/override.conf

conntrack-tools[5097]: udp      17 src=100.64.0.3 dst=1.1.1.1 sport=41900 dport=53 src=1.1.1.1 dst=198.51.100.1 sport=53 dport=41900

vyos@r11-roll# run show conf com | match test
set system static-host-mapping host-name test1.com inet '1.1.1.1'
set system static-host-mapping host-name test2.com inet '2a00:1450:400f:802::200e'

set interfaces openvpn vtun10 authentication password xxxxxx
set interfaces openvpn vtun10 authentication username xxxxxx
set interfaces openvpn vtun10 device-type 'tun'
set interfaces openvpn vtun10 encryption cipher 'aes256'
set interfaces openvpn vtun10 hash 'sha512'
set interfaces openvpn vtun10 mode 'client'
set interfaces openvpn vtun10 openvpn-option '--config /config/auth/nord/included_config.conf'
set interfaces openvpn vtun10 persistent-tunnel
set interfaces openvpn vtun10 protocol 'udp'
set interfaces openvpn vtun10 remote-host 'xxx.xxx.218.155'
set interfaces openvpn vtun10 remote-port '1194'
set interfaces openvpn vtun10 tls ca-cert-file xxxxxx

Version:          VyOS 1.3.0
Release train:    equuleus

vyos@vyos# show interfaces openvpn vtun0
set interfaces openvpn vtun0 encryption cipher 'aes256gcm'
set interfaces openvpn vtun0 hash 'sha512'
set interfaces openvpn vtun0 local-host '192.168.122.100'
set interfaces openvpn vtun0 local-port '1194'
set interfaces openvpn vtun0 mode 'server'
set interfaces openvpn vtun0 openvpn-option '--client-to-client'
set interfaces openvpn vtun0 openvpn-option '--verb 9'
set interfaces openvpn vtun0 openvpn-option '--mute 10'
set interfaces openvpn vtun0 openvpn-option '--dev vtun0'
set interfaces openvpn vtun0 openvpn-option '--ifconfig-pool-persist ipp.txt'
set interfaces openvpn vtun0 openvpn-option '--status openvpn2.log'
set interfaces openvpn vtun0 openvpn-option '--user nobody --group nogroup'
set interfaces openvpn vtun0 openvpn-option '--persist-key --persist-tun'
set interfaces openvpn vtun0 openvpn-option '--keepalive 10 120'
set interfaces openvpn vtun0 persistent-tunnel
set interfaces openvpn vtun0 protocol 'udp'
set interfaces openvpn vtun0 server max-connections '5'
set interfaces openvpn vtun0 server name-server '1.1.1.1'
set interfaces openvpn vtun0 server push-route 10.10.10.0/24
set interfaces openvpn vtun0 server subnet '10.10.20.0/24'
set interfaces openvpn vtun0 server topology 'subnet'
set interfaces openvpn vtun0 tls ca-cert-file '/config/auth/openvpn/ca.crt'
set interfaces openvpn vtun0 tls cert-file '/config/auth/openvpn/central.crt'
set interfaces openvpn vtun0 tls dh-file '/config/auth/openvpn/dh.pem'
set interfaces openvpn vtun0 tls key-file '/config/auth/openvpn/central.key'
set interfaces openvpn vtun0 use-lzo-compression

set interfaces bridge br3 member interface vtun2
set interfaces openvpn vtun2 device-type 'tap'
set interfaces openvpn vtun2 mode 'site-to-site'
set interfaces openvpn vtun2 persistent-tunnel
set interfaces openvpn vtun2 shared-secret-key 'foo'
set pki openvpn shared-secret foo key '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'
set pki openvpn shared-secret foo version '1'

Traceback (most recent call last):
  File "/usr/libexec/vyos/conf_mode/interfaces-openvpn.py", line 663, in <module>
    verify(c)
  File "/usr/libexec/vyos/conf_mode/interfaces-openvpn.py", line 228, in verify
    if len([addr for addr in openvpn['local_address'] if is_ipv4(addr)]) > 1:
KeyError: 'local_address'