Mounted CephFS filesystem does not report used and free inode count. Zabbix agent is confused and prints invalid numbers (2.34e+15). It should be ZBX_NOTSUPPORTED.

1. zabbix_agentd -t 'vfs.fs.inode[/mnt,pused]'
   vfs.fs.inode[/mnt/ceph,pused] [d|-2344083806410423.500000]

1. zabbix_agentd -t 'vfs.fs.inode[/mnt,pfree]'
   vfs.fs.inode[/mnt,pfree] [d|2344083806410523.500000]

1. df -i
   Filesystem Inodes IUsed IFree IUse% Mounted on
   ceph-mon:/ 786949 - - - /mnt