docs: add a note about other network modules in 'man dracut.cmdline'

diff --git a/man/dracut.cmdline.7.asc b/man/dracut.cmdline.7.asc
index 7a85bfcca34b0bda361c7fbf0168b42bed3b5dea..bb351f4e45733e554691f701e7a0ed7b6502423f 100644 (file)
--- a/man/dracut.cmdline.7.asc
+++ b/man/dracut.cmdline.7.asc
@@ -575,6 +575,11 @@ USB Android phone::
 * enp0s29u1u2
 =====================
 
+The following options are supported by the 'network-legacy' dracut
+module. Other network modules might support a slightly different set of
+options; refer to the documentation of the specific network module in use. For
+NetworkManager, see *nm-initrd-generator*(8).
+
 **ip=**__{dhcp|on|any|dhcp6|auto6|either6|link6|single-dhcp}__::
     dhcp|on|any::: get ip from dhcp server from all interfaces. If netroot=dhcp,
     loop sequentially through all interfaces (eth0, eth1, ...) and use the first