laomd

Results 2 issues of laomd

**Describe the bug** routes_.stop() is not called in rpc_server::stop()

**Describe the bug** "seastar::metrics::double_registration: registering metrics twice for metrics: smf::rpc_server_active_connections" when run several rpc servers at the same time. **To Reproduce** for (int i = 0; i < 10; i++)...