Add osd and get-osd-claimed-by are rather inconsistent when specifying ips

[JeffreyDevloo]

Problem description

Alba is pretty inconsistent with their CLI arguments
The general flow so far is:
Update osd: --ip can be a single ip or a comma separated list of ips
asd-multistatistics: --long-id can be single long id or a comma separated list of ips

Now the odd one are get-osd-claimed-by / add-osd which can take multiple --host (not documented) instead of a comma separated list