You must have IPv4 addresses on the l2 PTP interfaces for v4 routing to work in v7.16b4? Just verifying.. IPv6 prefixes are distributed just fine though? Is this planned or still a bug?
Another bugish: Allow to add the same interface multiple times.
/routing isis interface-template
add instance=isis-instance-1 interfaces=ether10-C2 levels=l1,l2
add instance=isis-instance-1 interfaces=lo levels=l1,l2
add instance=isis-instance-1 interfaces=lo levels=l1,l2
add instance=isis-instance-1 interfaces=lo levels=l1,l2
add instance=isis-instance-1 interfaces=lo levels=l1,l2
add instance=isis-instance-1 interfaces=br-customers levels=l1,l2
add instance=isis-instance-1 interfaces=br-customers levels=l1,l2
add instance=isis-instance-1 interfaces=br-customers levels=l1,l2