maps/lxcmap: use `netip.Addr`
Avoid conversion from/to net.IP and parsing/converting IPs from/to strings when interacting with maps/lxcmap.
See commits for details.
For #24246
Avoid conversion from/to net.IP and parsing/converting IPs from/to strings when interacting with maps/lxcmap.
See commits for details.
For #24246