[INS-060001]Failed to perform operation due to internal driver error.

[root@rac2 grid]# ssh rac1 date
The authenticity of host 'rac1 (192.168.4.10)' can't be established.
RSA key fingerprint is 24:8d:ee:9a:ac:2a:0d:bb:01:40:c4:c6:77:0c:86:fe.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'rac1' (RSA) to the list of known hosts.
root@rac1's password: 

Sun Jul 24 04:09:53 CST 2016

[root@rac2 grid]# ssh rac2 date
The authenticity of host 'rac2 (192.168.4.20)' can't be established.
RSA key fingerprint is 24:8d:ee:9a:ac:2a:0d:bb:01:40:c4:c6:77:0c:86:fe.
Are you sure you want to continue connecting (yes/no)? yes   
Warning: Permanently added 'rac2' (RSA) to the list of known hosts.
root@rac2's password: 
Sun Jul 24 04:10:07 CST 2016