[  773.167557][T14759] netdevsim netdevsim455 eni455np1: renamed from eth0
[  773.185969][T14761] netdevsim netdevsim516 eni516np1: renamed from eth1
[  773.759357][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  773.759863][T14747] Could not find netns with fd: 2000
[  773.760224][T14747] Cannot link a netdevsim to itself
[  773.760638][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).