首次安装。提示appnode-agent安装失败，请问是什么原因呢

---> Package appnode-agent-appmarket-db.x86_64 0:20190114-1.el7 will be installed
---> Package appnode-agent-changelog-db.noarch 0:20190128-1.el7 will be installed
---> Package appnode-app-procmgr.x86_64 0:1.1.2-1.el7 will be installed
---> Package appnode-ccenter-fake.x86_64 0:1.12.1-1.el7 will be installed
---> Package pv.x86_64 0:1.4.6-1.el7 will be installed
--> Finished Dependency Resolution
Error: Package: appnode-agent-1.10.9-2.el7.x86_64 (appnode-agent)
Requires: socat
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest
ERROR: install appnode-agent failed: exit status 1