[  482.255925] netdevsim netdevsim486 eni486np1: renamed from eth0
[  482.257121] netdevsim netdevsim612 eni612np1: renamed from eth1
[  482.602572] Could not find device with ifindex 2000 in netnsfd 11
[  482.602741] Could not find netns with fd: 2000
[  482.602816] Cannot link a netdevsim to itself
[  482.602925] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).