[  522.647287] netdevsim netdevsim399 eni399np1: renamed from eth0
[  522.743186] netdevsim netdevsim568 eni568np1: renamed from eth1
[  522.993932] Could not find device with ifindex 2000 in netnsfd 11
[  522.994161] Could not find netns with fd: 2000
[  522.994272] Cannot link a netdevsim to itself
[  522.994407] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).