@beta-tester: Seems to work for me using 18.04.2
Here's my boot line (using iPXE): kernel ${httpserver}/casper/vmlinuz root boot=casper keyboard-configuration/layoutcode=${layout} locale=${locale} netboot=cifs nfsroot=${server}${nfs_path} NFSOPTS=-ouser=guest,pass=guest,vers=2.0,ro ro
@beta-tester: Seems to work for me using 18.04.2
Here's my boot line (using iPXE): /casper/ vmlinuz root boot=casper keyboard- configuration/ layoutcode= ${layout} locale=${locale} netboot=cifs nfsroot= ${server} ${nfs_path} NFSOPTS= -ouser= guest,pass= guest,vers= 2.0,ro ro
kernel ${httpserver}