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Date: Sun, 01 Nov 2020 21:15:42 +1100
From: Dean Scarff <dos@scarff.id.au>
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Subject: [Cake] =?utf-8?q?NLA=5FF=5FNESTED_is_missing?=
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 Hi,

 I've been happily running the out-of-tree sch_cake on my Raspberry Pi 
 since 2015.  However, I recently upgraded my kernel (to 5.4.72 from 
 Raspbian's raspberrypi-kernel 1.20201022-1), which comes with the 
 sch_cake in mainline.  Now, when running:

   sudo /sbin/tc qdisc add dev ppp0 root cake

 I get the error:

   Error: NLA_F_NESTED is missing.

 I get this error with the sch_cake in mainline, and also with sch_cake 
 built out-of-tree.  I also get the error with both Debian's iproute2 
 5.9.0-1 (built myself via debian/rules) and "tc" from dtaht's tc-adv 
 repo.

 Any ideas on what this error means and how to fix it?