stty: tcgetattr: Not a typewriter :failed adop prepare failed R12.2

Sol:
Re-enable ssh from the primary node to all secondary nodes using txkRunSSHSetup.pl
For example, a basic command to enable ssh would be:
$ perl $AD_TOP/patch/115/bin/txkRunSSHSetup.pl enablessh -contextfile=<CONTEXT_FILE> -hosts=h1,h2,h3$
To verify ssh operation:
$ perl $AD_TOP/patch/115/bin/txkRunSSHSetup.pl verifyssh -contextfile=<CONTEXT_FILE> -hosts=h1,h2,h3 \
-invalidnodefile=<filename to report ssh verification failures>