IPv6 management: pool join homogeneity check
IPv6 management: pool join homogeneity check

A joining host must have the same primary address type as the pool
master: either IPv4 or IPv6.

Signed-off-by: Bob Ball <5c28005fc60227781527b5db4f6ba9abb8d173ec@citrix.com>
Signed-off-by: Rob Hoes <8783b3376fb07d39edffc8d7da68a6de3874a7e6@citrix.com>

djs55/xcp-rrdd,johnelse/xcp-rrdd,simonjbeaumont/xcp-rrdd,djs55/xcp-rrdd,robhoes/squeezed,koushikcgit/xcp-rrdd,simonjbeaumont/xcp-rrdd,koushikcgit/xcp-rrdd,djs55/xcp-networkd,koushikcgit/xcp-networkd,sharady/xcp-networkd,djs55/xcp-networkd,sharady/xcp-networkd,koushikcgit/xcp-networkd,djs55/squeezed,koushikcgit/xcp-rrdd,johnelse/xcp-rrdd