To reproduce run hc2vpp, then restart vpp (do not remove persistence files):
Notify listener will fail to close, but this is fine (after vpp restart, jvpp needs to reconnect which will be done after restart).

But then we get:

017-08-24 11:35:12.299 CEST [netconf-netty-1] INFO i.f.h.n.n.NetconfSshServerProvider - Netconf SSH endpoint started successfully at /0.0.0.0:2831
2017-08-24 11:35:12.317 CEST [main] WARN i.f.h.i.d.i.InitializerRegistryAdapter - Failed to initialize config
java.lang.IllegalArgumentException: Modification of OPERATIONAL is not supported
at com.google.common.base.Preconditions.checkArgument(Preconditions.java:145) ~[guava-18.0.jar:na]
at io.fd.honeycomb.data.impl.WriteTransaction.handleOperation(WriteTransaction.java:85) ~[data-impl-1.17.10-SNAPSHOT.jar:na]
at io.fd.honeycomb.data.impl.WriteTransaction.merge(WriteTransaction.java:98) ~[data-impl-1.17.10-SNAPSHOT.jar:na]
at io.fd.honeycomb.data.init.RestoringInitializer.initialize(RestoringInitializer.java:101) ~[cfg-init-1.17.10-SNAPSHOT.jar:na]
at io.fd.honeycomb.infra.distro.initializer.InitializerRegistryAdapter.initialize(InitializerRegistryAdapter.java:59) ~[minimal-distribution-core-1.17.10-SNAPSHOT.jar:na]
at io.fd.honeycomb.infra.distro.Main.init(Main.java:68) [minimal-distribution-1.17.10-SNAPSHOT.jar:na]
at io.fd.honeycomb.infra.distro.Main.main(Main.java:45) [minimal-distribution-1.17.10-SNAPSHOT.jar:na]
2017-08-24 11:35:12.318 CEST [main] INFO i.f.h.i.d.i.InitializerRegistryAdapter - Honeycomb initialized

Applies to 17.10, but 17.07 should be checked as well.