[  487.022962] netdevsim netdevsim538 eni538np1: renamed from eth1
[  487.123584] netdevsim netdevsim272 eni272np1: renamed from eth0
[  487.545251] Could not find device with ifindex 2000 in netnsfd 11
[  487.545395] Could not find netns with fd: 2000
[  487.545467] Cannot link a netdevsim to itself
[  487.545553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).