After chatting on IRC, #systemd channel, damjan explained this:
https://github.com/systemd/systemd/blob/master/NEWS#L845
So, actually, the following file:
cat /lib/modprobe.d/systemd.conf
disables "extra" dummies, as follows:
--
options bonding max_bonds=0
options dummy numdummies=0
--
Forcing us to explicitly create the dummy devices per demand (I believe,
and I'll try it soon). I guess that it's really time to say goodbye to
"ifupdown / /etc/network/interfaces" approach...
Just for testing, after disabling the dummy line out from that file and
rebooting it, I have the 12 dummies without my ugly workaround via
/etc/rc.local!
See, Jan-Dirk? I thought that I could blame systemd and I got my answer
there!
NOTE: I actually like systemd, okay? :-P
It's just a new way of doing this (Netplan? systemd-networkd directly?),
Jan, you can safely move to Ubuntu! ^_^
Cheers!
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1774731
Title:
Missing "/sys/module/dummy/parameters/" subdir on dummy module
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