This appears to be fixed in 3.1.3 of etcd where they have fixed the sd_notify behaviour.
etcd v3.1.3 (2017-03-10) - use machine default host when advertise URLs are default values(localhost:2379,2380) AND if listen URL is 0.0.0.0 - fix 'etcd gateway' schema handling in DNS discovery - fix sd_notify behaviors in gateway, grpc-proxy -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1691979 Title: etcd in gateway/grpc_proxy mode hangs on startup To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/etcd/+bug/1691979/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs