[  488.218084] netdevsim netdevsim409 eni409np1: renamed from eth0
[  488.314855] netdevsim netdevsim528 eni528np1: renamed from eth1
[  488.537418] Could not find device with ifindex 2000 in netnsfd 11
[  488.537730] Could not find netns with fd: 2000
[  488.537838] Cannot link a netdevsim to itself
[  488.537955] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).