connectionmanager: fix random initialization

ice_transport: fix log

Change-Id: I55177a814cfc28db594229652c5c9c2f849d85f1
diff --git a/src/connectionmanager.cpp b/src/connectionmanager.cpp
index 7243f53..3b4c4f1 100644
--- a/src/connectionmanager.cpp
+++ b/src/connectionmanager.cpp
@@ -80,6 +80,7 @@
 public:
     explicit Impl(std::shared_ptr<ConnectionManager::Config> config_)
         : config_ {std::move(config_)}
+        , rand {dht::crypto::getSeededRandomEngine<std::mt19937_64>()}
     {}
     ~Impl() {}