[  521.528294] netdevsim netdevsim595 eni595np1: renamed from eth1
[  521.625184] netdevsim netdevsim268 eni268np1: renamed from eth0
[  521.876943] Could not find device with ifindex 2000 in netnsfd 11
[  521.877108] Could not find netns with fd: 2000
[  521.877181] Cannot link a netdevsim to itself
[  521.877268] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).