test/nvmf: don't use SoftRoCE with bridges

Bridges are not working with SoftRoCE.

Change-Id: I4c600efb3b7bf85386658fd050cd2755dfc542b4
Signed-off-by: Karol Latecki <karol.latecki@intel.com>
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/400009
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>

test/nvmf/common.sh

@@ -38,6 +38,9 @@ function detect_soft_roce_nics()
 		all_nics=("${all_nics[@]/"Iface"}")
 		non_rdma_nics=$(echo "$rdma_nics $all_nics" | sort | uniq -u)
 		for nic in $non_rdma_nics; do
+			if [[ -d /sys/class/net/${nic}/bridge ]]; then
+				continue
+			fi
 			rxe_cfg add $nic || true
 		done
 	fi