[  474.894402] netdevsim netdevsim391 eni391np1: renamed from eth0
[  474.895041] netdevsim netdevsim751 eni751np1: renamed from eth1
[  474.985226] Could not find device with ifindex 2000 in netnsfd 11
[  474.985349] Could not find netns with fd: 2000
[  474.985405] Cannot link a netdevsim to itself
[  474.985470] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).