[  518.864274] netdevsim netdevsim605 eni605np1: renamed from eth1
[  518.962271] netdevsim netdevsim457 eni457np1: renamed from eth0
[  519.164797] Could not find device with ifindex 2000 in netnsfd 11
[  519.164979] Could not find netns with fd: 2000
[  519.165079] Cannot link a netdevsim to itself
[  519.165179] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).