[  474.208673] netdevsim netdevsim266 eni266np1: renamed from eth0
[  474.209195] netdevsim netdevsim743 eni743np1: renamed from eth1
[  474.291149] Could not find device with ifindex 2000 in netnsfd 11
[  474.291279] Could not find netns with fd: 2000
[  474.291335] Cannot link a netdevsim to itself
[  474.291391] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).