Bug#965148: more info

[JMinson]

When the failure occurs the content of 'value' as assigned at line 374 
in /usr/lib/python3/dist-packages/pyroute2/netlink/rtnl/req.py

 is
value[0] is 
"record[a,in-unique,f96a27a5-ac31-99b9-280f-62f2da5bd7f9.local.]=120"

value[1] is "119,192.168.1.154"

when the target is the Denon 'value' has a length of 1 and is 
"192.168.1.176"