[  829.678882][T14611] netdevsim netdevsim664 eni664np1: renamed from eth1
[  829.681160][T14609] netdevsim netdevsim483 eni483np1: renamed from eth0
[  830.439012][T14597] Could not find device with ifindex 2000 in netnsfd 11
[  830.440144][T14597] Could not find netns with fd: 2000
[  830.440739][T14597] Cannot link a netdevsim to itself
[  830.441600][T14597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).