odl-netconf-mdsal feature does not work in karaf 4 distribution

This is the ERROR when trying to install te feature:

03:08:33 2017-05-03 02:58:58,454 | ERROR | pool-1-thread-2 | BootFeaturesInstaller | 7 - org.apache.karaf.features.core - 4.0.9 | Error installing boot features
03:08:33 org.osgi.service.resolver.ResolutionException: Unable to resolve root: missing requirement [root] osgi.identity; osgi.identity=odl-netconf-tcp; type=karaf.feature; version=1.2.0.SNAPSHOT; filter:="(&(osgi.identity=odl-netconf-tcp)(type=karaf.feature)(version>=1.2.0.SNAPSHOT))" [caused by: Unable to resolve odl-netconf-tcp/1.2.0.SNAPSHOT: missing requirement [odl-netconf-tcp/1.2.0.SNAPSHOT] osgi.identity; osgi.identity=odl-netconf-impl; type=karaf.feature; version="[1.2.0.SNAPSHOT,1.2.0.SNAPSHOT]" [caused by: Unable to resolve odl-netconf-impl/1.2.0.SNAPSHOT: missing requirement [odl-netconf-impl/1.2.0.SNAPSHOT] osgi.identity; osgi.identity=odl-config-netconf-connector; type=karaf.feature; version="[1.2.0.SNAPSHOT,1.2.0.SNAPSHOT]" [caused by: Unable to resolve odl-config-netconf-connector/1.2.0.SNAPSHOT: missing requirement [odl-config-netconf-connector/1.2.0.SNAPSHOT] osgi.identity; osgi.identity=org.opendaylight.netconf.impl; type=osgi.bundle; version="[1.2.0.SNAPSHOT,1.2.0.SNAPSHOT]"; resolution:=mandatory [caused by: Unable to resolve org.opendaylight.netconf.impl/1.2.0.SNAPSHOT: missing requirement [org.opendaylight.netconf.impl/1.2.0.SNAPSHOT] osgi.wiring.package; filter:="(&(osgi.wiring.package=org.opendaylight.netconf.nettyutil)(version>=1.2.0)(!(version>=2.0.0)))" [caused by: Unable to resolve org.opendaylight.netconf.netty-util/1.2.0.SNAPSHOT: missing requirement [org.opendaylight.netconf.netty-util/1.2.0.SNAPSHOT] osgi.wiring.package; filter:="(&(osgi.wiring.package=org.apache.sshd)(version>=0.14.0)(!(version>=1.0.0)))"]]]]]
03:08:33 at org.apache.felix.resolver.ResolutionError.toException(ResolutionError.java:42)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.felix.resolver.ResolverImpl.doResolve(ResolverImpl.java:389)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:375)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.felix.resolver.ResolverImpl.resolve(ResolverImpl.java:347)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.karaf.features.internal.region.SubsystemResolver.resolve(SubsystemResolver.java:216)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:263)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:259)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1176)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at org.apache.karaf.features.internal.service.FeaturesServiceImpl$1.call(FeaturesServiceImpl.java:1074)[7:org.apache.karaf.features.core:4.0.9]
03:08:33 at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_121]
03:08:33 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[:1.8.0_121]
03:08:33 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[:1.8.0_121]
03:08:33 at java.lang.Thread.run(Thread.java:745)[:1.8.0_121]