Hi Lukas, On Sun, Jan 24, 2021 at 03:25:06PM +0100, Lukas Wunner wrote: [...] > diff --git a/tests/py/inet/ip.t.payload.netdev b/tests/py/inet/ip.t.payload.netdev > index 95be919..38ed0ad 100644 > --- a/tests/py/inet/ip.t.payload.netdev > +++ b/tests/py/inet/ip.t.payload.netdev > @@ -12,3 +12,17 @@ netdev test-netdev ingress > [ payload load 6b @ link header + 6 => reg 10 ] > [ lookup reg 1 set __set%d ] > > +# meta protocol ip ip saddr . ip daddr . ether saddr { 1.1.1.1 . 2.2.2.2 . ca:fe:ca:fe:ca:fe } > +__set%d test-netdev 3 > +__set%d test-netdev 0 > + element 01010101 02020202 fecafeca 0000feca : 0 [end] > +netdev test-netdev egress > + [ meta load protocol => reg 1 ] > + [ cmp eq reg 1 0x00000008 ] > + [ meta load iiftype => reg 1 ] > + [ cmp eq reg 1 0x00000001 ] > + [ payload load 4b @ network header + 12 => reg 1 ] > + [ payload load 4b @ network header + 16 => reg 9 ] > + [ payload load 6b @ link header + 6 => reg 10 ] > + [ lookup reg 1 set __set%d ] > + This payload dump is identical to the one which exists in that file already with the exception of the chain name. AFAIR, nft-test.py checks only element list and VM code when verifying, deliberately ignoring the chain name (so a single payload dump serves all tested chains). From my perspective, you should not need to add any payload dump at all. Could you please try without them? Thanks, Phil