[  483.638944] netdevsim netdevsim305 eni305np1: renamed from eth0
[  483.639667] netdevsim netdevsim718 eni718np1: renamed from eth1
[  483.734403] Could not find device with ifindex 2000 in netnsfd 11
[  483.734488] Could not find netns with fd: 2000
[  483.734533] Cannot link a netdevsim to itself
[  483.734593] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).