问ssh在DS-lite上被拒绝进入TrueNAS连接

EN

Fritz box:  4712
FRITZ!OS:   06.87
TrueNAS-12.0-U8.1
ipv6:   connected
ipv4:   connected over DS-Lite-Tunnel
dynDNS: myfritz service

Fritz!Box port sharing:
device: truenas
IPv4:   192.168.178.25
IPv6:   ::7285:c2ff:fe29:8a45
Shares: 
    ipv4    HTTPS-Server    ->  port 443
    ipv4    SSH             ->  port 22
    ipv6    HTTPS-Server    ->  port 443
    ipv6    SSH             ->  port 22
    Self contained port sharing: enabled, but zero active
    Exposed Host option for v4 and v6 -> disabled  

ssh -vvv -l root -i ~/.ssh/id_ecdsa -p 22 -6 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45
OpenSSH_8.7p1, OpenSSL 1.1.1n  FIPS 15 Mar 2022
debug1: Reading configuration data /home/rob/.ssh/config
debug1: /home/rob/.ssh/config line 1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug3: /etc/ssh/ssh_config line 55: Including file /etc/ssh/ssh_config.d/50-redhat.conf depth 0
debug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf
debug2: checking match for 'final all' host 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 originally 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45
debug3: /etc/ssh/ssh_config.d/50-redhat.conf line 3: not matched 'final'
debug2: match not found
debug3: /etc/ssh/ssh_config.d/50-redhat.conf line 5: Including file /etc/crypto-policies/back-ends/openssh.config depth 1 (parse only)
debug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config
debug3: gss kex names ok: [gss-curve25519-sha256-,gss-nistp256-sha256-,gss-group14-sha256-,gss-group16-sha512-]
debug3: kex names ok: [curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512]
debug1: configuration requests final Match pass
debug2: resolve_canonicalize: hostname 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 is address
debug1: re-parsing configuration
debug1: Reading configuration data /home/rob/.ssh/config
debug1: /home/rob/.ssh/config line 1: Applying options for *
debug1: Reading configuration data /etc/ssh/ssh_config
debug3: /etc/ssh/ssh_config line 55: Including file /etc/ssh/ssh_config.d/50-redhat.conf depth 0
debug1: Reading configuration data /etc/ssh/ssh_config.d/50-redhat.conf
debug2: checking match for 'final all' host 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 originally 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45
debug3: /etc/ssh/ssh_config.d/50-redhat.conf line 3: matched 'final'
debug2: match found
debug3: /etc/ssh/ssh_config.d/50-redhat.conf line 5: Including file /etc/crypto-policies/back-ends/openssh.config depth 1
debug1: Reading configuration data /etc/crypto-policies/back-ends/openssh.config
debug3: gss kex names ok: [gss-curve25519-sha256-,gss-nistp256-sha256-,gss-group14-sha256-,gss-group16-sha512-]
debug3: kex names ok: [curve25519-sha256,curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group14-sha256,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512]
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts' -> '/home/rob/.ssh/known_hosts'
debug3: expanded UserKnownHostsFile '~/.ssh/known_hosts2' -> '/home/rob/.ssh/known_hosts2'
debug3: ssh_connect_direct: entering
debug1: Connecting to 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 [2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45] port 22.
debug3: set_sock_tos: set socket 3 IPV6_TCLASS 0x48
debug1: connect to address 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 port 22: Network is unreachable
ssh: connect to host 2001:9e8:x:xxxx:xxxx:xxxx:fe29:8a45 port 22: Network is unreachable