topology: release graph lock when a incorrect filter is specified
topology: release graph lock when a incorrect filter is specified

skydive-project/skydive,safchain/skydive,safchain/skydive,safchain/skydive,safchain/skydive,skydive-project/skydive,skydive-project/skydive,safchain/skydive,lebauce/skydive,lebauce/skydive,skydive-project/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive,lebauce/skydive,lebauce/skydive,lebauce/skydive,safchain/skydive,lebauce/skydive,safchain/skydive,skydive-project/skydive