IP range JSON validation error is not helpful

I tried various kinds of bad IP range and they all have the same horrible message, even when the addresses themselves are valid but first > last or one is IPv4 and the other is IPv6.

> (await oxide.ipPoolRangeRemove({ path: { pool: 'default' }, body: { first: '', last: '' } })).data.message
"unable to parse JSON body: data did not match any variant of untagged enum IpRange"

> (await oxide.ipPoolRangeRemove({ path: { pool: 'default' }, body: { first: 'abc', last: 'def' } })).data.message
"unable to parse JSON body: data did not match any variant of untagged enum IpRange"

> (await oxide.ipPoolRangeRemove({ path: { pool: 'default' }, body: { first: '1.1.1.2', last: '1.1.1.1' } })).data.message
"unable to parse JSON body: data did not match any variant of untagged enum IpRange"

> (await oxide.ipPoolRangeRemove({ path: { pool: 'default' }, body: { first: '1.1.1.2', last: '2001:db8:3333:4444:CCCC:DDDD:EEEE:FFFF' } })).data.message
"unable to parse JSON body: data did not match any variant of untagged enum IpRange"