$ landscape-sysinfo ... IPv4 address for lxdbr0: 10.128.57.1 IPv6 address for lxdbr0: fd42:97e3:9a49:c9a1::1
It is fix released at least in 19.12-0ubuntu4.2 and later.
$ landscape-sysinfo 9a49:c9a1: :1
...
IPv4 address for lxdbr0: 10.128.57.1
IPv6 address for lxdbr0: fd42:97e3:
It is fix released at least in 19.12-0ubuntu4.2 and later.