我无法在服务器上运行memcached。这是我到目前为止尝试过的：
% sudo systemctl start memcached # no output
% sudo systemctl status memcached.service
● memcached.service - memcached daemon
Loaded: loaded (/lib/systemd/system/memcached.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Sun 2020-02-16 17:45:09 CET; 4s ago
Process: 22725 ExecStart=/usr/share/memcached/scripts/systemd-memcached-wrapper /etc/memcached.conf (code=exited, status=71)
Main PID: 22725 (code=exited, status=71)
systemd[1]: Started memcached daemon.
systemd-memcached-wrapper[22725]: bind(): Cannot assign requested address
systemd-memcached-wrapper[22725]: failed to listen on TCP port 11211: Cannot assign requested address
systemd[1]: memcached.service: Main process exited, code=exited, status=71/n/a
systemd[1]: memcached.service: Unit entered failed state.
systemd[1]: memcached.service: Failed with result 'exit-code'.
我正在运行Ubuntu 16.04.6 LTS
如何启动我的Memcached服务？