[  485.868533] netdevsim netdevsim265 eni265np1: renamed from eth0
[  485.869024] netdevsim netdevsim751 eni751np1: renamed from eth1
[  485.967203] Could not find device with ifindex 2000 in netnsfd 11
[  485.967297] Could not find netns with fd: 2000
[  485.967347] Cannot link a netdevsim to itself
[  485.967413] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).