Fix build with Netmap

8 jobs for MRfix in 7 minutes and 44 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #2161
batch

00:02:06

passed #2164
dpdk

00:01:53

passed #2162
ip6

00:02:06

passed #2163
mt

00:02:03

passed #2166
netmap

00:01:38

passed #2167
netmap_nopool

00:01:58

passed #2168
netmap_nopool_nozc

00:01:56

passed #2165
netmap_single

00:01:31