+ PF=ens1f0
+ vf_prefix=ens1f0
+ lspci -v
+ grep 'Ethernet controller'
+ ethtool -i ens1f0
+ cat /proc/cmdline
19:00.0 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
19:00.1 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]
19:00.2 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx Virtual Function]
19:00.3 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx Virtual Function]
19:00.4 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx Virtual Function]
19:00.5 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx Virtual Function]
3b:00.0 Ethernet controller: Intel Corporation Ethernet Controller XXV710 for 25GbE SFP28 (rev 02)
3b:00.1 Ethernet controller: Intel Corporation Ethernet Controller XXV710 for 25GbE SFP28 (rev 02)
3b:02.0 Ethernet controller: Intel Corporation Ethernet Virtual Function 700 Series (rev 02)
3b:02.1 Ethernet controller: Intel Corporation Ethernet Virtual Function 700 Series (rev 02)
3b:02.2 Ethernet controller: Intel Corporation Ethernet Virtual Function 700 Series (rev 02)
3b:02.3 Ethernet controller: Intel Corporation Ethernet Virtual Function 700 Series (rev 02)
d8:00.0 Ethernet controller: Intel Corporation Ethernet Controller XXV710 for 25GbE SFP28 (rev 02)
d8:00.1 Ethernet controller: Intel Corporation Ethernet Controller XXV710 for 25GbE SFP28 (rev 02)
driver: i40e
version: 5.14.0-284.34.1.el9_2.x86_64
firmware-version: 7.10 0x800075e6 19.5.12
expansion-rom-version: 
bus-info: 0000:3b:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: yes
+ vf_a=ens1f0v0
+ vf_b=ens1f0v1
+ vf_a_index=0
+ vf_b_index=1
BOOT_IMAGE=(hd0,gpt3)/ostree/rhcos-325d7421c1ffa7fbcda150e93e08818e262f7c7b7f6d03461f0e0312d8486cf1/vmlinuz-5.14.0-284.34.1.el9_2.x86_64 ignition.platform.id=metal ostree=/ostree/boot.1/rhcos/325d7421c1ffa7fbcda150e93e08818e262f7c7b7f6d03461f0e0312d8486cf1/0 ip=dhcp root=UUID=0b0b6ffa-22ca-43c6-812f-e631f5a7e999 rw rootflags=prjquota boot=UUID=011b7451-cf44-40a3-a999-fd3fdf17b0f7 skew_tick=1 nohz=on rcu_nocbs=8-15 tuned.non_isolcpus=000000ff,ffffffff,ffffffff,ffff00ff systemd.cpu_affinity=0,1,2,3,4,5,6,7,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,97,98,99,100,101,102,103 intel_iommu=on iommu=pt isolcpus=managed_irq,8-15 nohz_full=8-15 tsc=reliable nosoftlockup nmi_watchdog=0 mce=off rcutree.kthread_prio=11 default_hugepagesz=1G hugepagesz=1G hugepages=10 intel_pstate=disable systemd.unified_cgroup_hierarchy=0 systemd.legacy_systemd_cgroup_controller=1
+ temp_a=temp_71
+ temp_b=temp_94
+ echo 0
+ ip netns del ns_a
+ ip netns del ns_b
+ sleep 1
+ echo 4
+ sleep 4
++ cat /sys/class/net/ens1f0v0/address
+ ip link set dev ens1f0 vf 0 mac aa:6a:ec:b6:f4:6a
++ cat /sys/class/net/ens1f0v1/address
+ ip link set dev ens1f0 vf 1 mac d2:42:7f:3d:d2:1e
++ cat /sys/class/net/ens1f0v2/address
+ ip link set dev ens1f0 vf 2 mac ae:3a:ff:52:2a:69
++ cat /sys/class/net/ens1f0v3/address
+ ip link set dev ens1f0 vf 3 mac ce:e9:1a:00:87:6f
+ sleep 5
+ ip netns add ns_a
+ ip netns add ns_b
+ ip link set dev ens1f0 vf 0 vlan 0
+ ip link set dev ens1f0 vf 0 state enable
+ ip link set dev ens1f0 vf 0 mac 20:04:0f:f1:88:A1
+ ip link set dev ens1f0v0 down
+ ip link set ens1f0v0 name temp_71
+ ip link set dev temp_71 address 20:04:0f:f1:88:A1
RTNETLINK answers: Resource temporarily unavailable
+ ip link set dev temp_71 address 20:04:0f:f1:88:A1
+ ip link set dev temp_71 netns ns_a
+ ip netns exec ns_a ip link set temp_71 name net1
+ ip netns exec ns_a sh -c 'echo 1 > /proc/sys/net/ipv4/conf/net1/arp_notify'
+ ip netns exec ns_a ip link set dev net1 up
+ ip netns exec ns_a ip address add dev net1 10.255.255.1/24
+ sleep 3
+ ip link set dev ens1f0 vf 1 vlan 0
+ ip link set dev ens1f0 vf 1 state enable
+ ip link set dev ens1f0 vf 1 mac 20:04:0f:f1:88:A2
+ ip link set dev ens1f0v1 down
+ ip link set ens1f0v1 name temp_94
+ ip link set dev temp_94 address 20:04:0f:f1:88:A2
RTNETLINK answers: Resource temporarily unavailable
+ ip link set dev temp_94 address 20:04:0f:f1:88:A2
+ ip link set dev temp_94 netns ns_b
+ ip netns exec ns_b ip link set temp_94 name net1
+ ip netns exec ns_b sh -c 'echo 1 > /proc/sys/net/ipv4/conf/net1/arp_notify'
+ ip netns exec ns_b ip link set dev net1 up
+ ip netns exec ns_b ip address add dev net1 10.255.255.2/24
+ sleep 1
+ ip netns exec ns_a ping -c 3 10.255.255.2
PING 10.255.255.2 (10.255.255.2) 56(84) bytes of data.

--- 10.255.255.2 ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2069ms

command terminated with exit code 1