What were you trying to do that didn't work?

bind bnxt PF to vfio-pci, start testpmd ,and then stop

unbind bnxt PF from vfio-pci

Ip link  show the  PF is NO-Carrier

Please provide the package NVR for which bug is seen:

5.14.0-427.el9.x86_64

dpdk-23.11-1.el9.x86_64

How reproducible:

3/3

Steps to reproduce

1. #ip link show 
   2: enp130s0f0np0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
       link/ether 00:0a:f7:b7:09:50 brd ff:ff:ff:ff:ff:ff
   3: enp130s0f1np1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
       link/ether 00:0a:f7:b7:09:51 brd ff:ff:ff:ff:ff:ff

1. #driverctl -v set-override 0000:82:00.0 vfio-pci
   #driverctl -v set-override 0000:82:00.1 vfio-pci 
   #dpdk-testpmd -l 1,3,5 -a 0000:82:00.0 -a 0000:82:00.1 – -i --auto-start
   then stop #sleep 5;driverctl -v unset-override 0000:82:00.1 #sleep 5;driverctl -v unset-override 0000:82:00.0
   #ip link show 
   20: enp130s0f1np1: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000     link/ether 00:0a:f7:b7:09:51 brd ff:ff:ff:ff:ff:ff xxxxxxx
   21: enp130s0f0np0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000     link/ether 00:0a:f7:b7:09:50 brd ff:ff:ff:ff:ff:ff
    

#lspci |grep -i eth 
....
82:00.0 Ethernet controller: Broadcom Inc. and subsidiaries BCM57414 NetXtreme-E 10Gb/25Gb RDMA Ethernet Controller (rev 01)
82:00.1 Ethernet controller: Broadcom Inc. and subsidiaries BCM57414 NetXtreme-E 10Gb/25Gb RDMA Ethernet Controller (rev 01) 

1. #ethtool -i enp130s0f1np1
   driver: bnxt_en
   version: 5.14.0-427.el9.x86_64
   firmware-version: 228.0.116.0/pkg 228.1.111.0
   expansion-rom-version: 
   bus-info: 0000:82:00.1
   supports-statistics: yes
   supports-test: yes
   supports-eeprom-access: yes
   supports-register-dump: yes
   supports-priv-flags: no
    

Expected results

The interface should be up .

Actual results