Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: Could not request certificate: The certificate retrieved from the master does not match the agent's private key.Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: Certificate fingerprint: 3F:D7:22:8C:64:45:A4:95:75:F3:DB:D3:2E:86:E5:4F:59:5F:FC:0B:5A:72:8A:54:BA:AF:FE:F0:A3:77:EC:84Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: To fix this, remove the certificate from both the master and the agent and then start a puppet run, which will automatically regenerate a certficate.Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: On the master:Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: puppet cert clean aquaries.ec2.internalApr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: On the agent:Apr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: rm -f /var/lib/puppet/ssl/certs/aquaries.ec2.internal.pemApr 23 09:32:55 ip-172-31-52-219 puppet-agent[1277]: puppet agent -tApr 23 09:34:56 ip-172-31-52-219 puppet-agent[1277]: Starting Puppet client version 3.6.2Apr 23 09:34:56 ip-172-31-52-219 puppet-agent[1787]: Unable to fetch my node definition, but the agent run will continue:Apr 23 09:34:56 ip-172-31-52-219 puppet-agent[1787]: SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: (/File[/var/lib/puppet/lib]) Failed to generate additional resources using 'eval_generate': SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: (/File[/var/lib/puppet/lib]) Could not evaluate: Could not retrieve file metadata for puppet://ip-172-31-48-207.ec2.internal/plugins: SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: (/File[/var/lib/puppet/lib]) Wrapped exception:Apr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: (/File[/var/lib/puppet/lib]) SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: Could not retrieve catalog from remote server: SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: Using cached catalogApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: Could not retrieve catalog; skipping runApr 23 09:34:57 ip-172-31-52-219 puppet-agent[1787]: Could not send report: SSL_CTX_use_PrivateKey:: key values mismatchApr 23 09:56:55 ip-172-31-52-219 dhclient[760]: DHCPREQUEST on eth0 to 172.31.48.1 port 67 (xid=0x4d0c3d3f)Apr 23 09:56:55 ip-172-31-52-219 dhclient[760]: DHCPACK from 172.31.48.1 (xid=0x4d0c3d3f)Apr 23 09:56:57 ip-172-31-52-219 dhclient[760]: bound to 172.31.52.219 -- renewal in 1492 seconds.