Public bug reported:
Please note that you can't ssh to a link-local IPv6 address (fe80::)
without an interface identifier and being connected to the same subnet.
So "ssh ubuntu@fe80::c23f:d5ff:fe61:dce" will fail as you need something
like "ssh ubuntu@fe80::c23f:d5ff:fe61:dce%eth0" where "eth0" is the name
of the device which is directly connected to the subnet your target host
is on.
For this work, I think it'd probably be best to just hide anything
that's not "scope global". Address scoping is mostly an IPv6 thing, but
it's been retrofited for IPv4 in iproute2, so you can query global
addresses with:
stgraber@dakara:~/data/code/ubuntu-archive/ubuntu-archive-tools$ ip -4 addr
show dev lxdbr0 scope global
4: lxdbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP
group default qlen 1000
inet 10.90.151.1/24 scope global lxdbr0
valid_lft forever preferred_lft forever
stgraber@dakara:~/data/code/ubuntu-archive/ubuntu-archive-tools$ ip -6 addr
show dev lxdbr0 scope global
4: lxdbr0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 state UP qlen 1000
inet6 2001:470:b368:b2b5::1/64 scope global
valid_lft forever preferred_lft forever
** Affects: subiquity (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1664371
Title:
"this device is registered to" screen should only show scope global
addresses
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