[  436.070563] netdevsim netdevsim454 eni454np1: renamed from eth0
[  436.172013] netdevsim netdevsim633 eni633np1: renamed from eth1
[  436.541137] Could not find device with ifindex 2000 in netnsfd 11
[  436.541308] Could not find netns with fd: 2000
[  436.541399] Cannot link a netdevsim to itself
[  436.541497] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).