VMware NSX
If logdir_unique=true (in /etc/vmsyslog.conf) vmsyslogd will try to create a directory with the FQDN of the host as name inside the syslog directory. In this case it is getting denied because the syslog volume is already locked by another host.
The host that has an exclusive lock on the syslog volume has to be cleared. Please refer this article for more detail on how to clear the lock - Device or resource busy/ file is locked error when making changes to a file on an ESXi datastore
If this kb did not help resolve your issue, you can review the following kb for further troubleshooting steps: Troubleshooting NSX Installation Operations