Ignore error if cannot set DSCP fields due to no capability (Ubuntu desktop vs. server).
Ignore error if cannot set DSCP fields due to no capability (Ubuntu desktop vs. server).


jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm,jdelgadoalfonso/openpgm