[  513.039436] netdevsim netdevsim266 eni266np1: renamed from eth0
[  513.137221] netdevsim netdevsim644 eni644np1: renamed from eth1
[  513.320172] Could not find device with ifindex 2000 in netnsfd 11
[  513.320316] Could not find netns with fd: 2000
[  513.320387] Cannot link a netdevsim to itself
[  513.320473] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).