quoted

quoted

@@ -124,6 +134,11 @@ _setup_nvmet() {

          modprobe nvmet-${nvme_trtype}
      fi
      modprobe nvme-${nvme_trtype}
+    if [[ "${nvme_trtype}" == "rdma" ]]; then
+        start_soft_rdma
+        rdma_intfs=$(rdma_network_interfaces)
+        def_traddr=$(get_ipv4_addr ${rdma_intfs[0]})

The first rdma_intfs here maybe have DOWN state, which doesn't have an 
addr[1], I found similar check code here[2]
[1]
# echo $rdma_intfs
rdma_intfs:eno1
eno2
eno3
eno4
eno49
eno50
# [root@hpe-dl380gen9-01 blktests]# ip a s
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN 
group default qlen 1000
     link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
     inet 127.0.0.1/8 scope host lo
        valid_lft forever preferred_lft forever
     inet6 ::1/128 scope host
        valid_lft forever preferred_lft forever
2: eno1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state 
DOWN group default qlen 1000
     link/ether 3c:a8:2a:21:7d:a4 brd ff:ff:ff:ff:ff:ff
3: eno49: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP 
group default qlen 1000
     link/ether 8c:dc:d4:1e:7a:78 brd ff:ff:ff:ff:ff:ff
     inet 10.16.203.27/24 brd 10.16.203.255 scope global dynamic 
noprefixroute eno49
        valid_lft 84814sec preferred_lft 84814sec
     inet6 2620:52:0:10cb:8edc:d4ff:fe1e:7a78/64 scope global dynamic 
noprefixroute
        valid_lft 2591978sec preferred_lft 604778sec
     inet6 fe80::8edc:d4ff:fe1e:7a78/64 scope link noprefixroute
        valid_lft forever preferred_lft forever
[2]
# grep -rin rdma_network_ tests/nvmeof-mp/
tests/nvmeof-mp/rc:93:        for i in $(rdma_network_interfaces); do
tests/nvmeof-mp/rc:235:        ) && for i in $(rdma_network_interfaces); do

This is annoying, I wish it would just work on the lo interface but it
doesn't for some reason...