" Events can be read from stdin, or provided on the command line.\n"
" User events must have the following format:\n"
"\n"
-" (add|remove)@device-id [name=value] [image=value] [args=value]\n"
+" (add|remove|boot|sync)@device-id [name=value] [image=value] [args=value]\n"
"\n"
" When read from stdin, components are separated by NUL chars\n"
"\n"