00:27:28.820  ========== Backtrace start: ==========
00:27:28.820  
00:27:28.820  in /var/jenkins/workspace/nvmf-phy-autotest/spdk/test/nvmf/host/fio.sh:51 -> main(["--transport=rdma"])
00:27:28.820       ...
00:27:28.820     46  	
00:27:28.820     47  	if [ $RUN_NIGHTLY -eq 1 ]; then
00:27:28.820     48  		# Test fio_plugin as host with nvme lvol backend
00:27:28.820     49  		bdfs=($(get_nvme_bdfs))
00:27:28.820     50  		$rpc_py bdev_nvme_attach_controller -b Nvme0 -t PCIe -a "${bdfs[0]}" -i $NVMF_FIRST_TARGET_IP
00:27:28.820  => 51  		ls_guid=$($rpc_py bdev_lvol_create_lvstore -c 1073741824 Nvme0n1 lvs_0)
00:27:28.820     52  		get_lvs_free_mb $ls_guid
00:27:28.820     53  		$rpc_py bdev_lvol_create -l lvs_0 lbd_0 $free_mb
00:27:28.820     54  		$rpc_py nvmf_create_subsystem nqn.2016-06.io.spdk:cnode2 -a -s SPDK00000000000001
00:27:28.820     55  		$rpc_py nvmf_subsystem_add_ns nqn.2016-06.io.spdk:cnode2 lvs_0/lbd_0
00:27:28.820     56  		$rpc_py nvmf_subsystem_add_listener nqn.2016-06.io.spdk:cnode2 -t $TEST_TRANSPORT -a $NVMF_FIRST_TARGET_IP -s $NVMF_PORT
00:27:28.820       ...
00:27:28.820  
00:27:28.820  ========== Backtrace end ==========