[  514.565433] netdevsim netdevsim280 eni280np1: renamed from eth0
[  514.663667] netdevsim netdevsim653 eni653np1: renamed from eth1
[  514.902939] Could not find device with ifindex 2000 in netnsfd 11
[  514.903141] Could not find netns with fd: 2000
[  514.903232] Cannot link a netdevsim to itself
[  514.903337] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).