[  523.083577] netdevsim netdevsim272 eni272np1: renamed from eth0
[  523.180638] netdevsim netdevsim738 eni738np1: renamed from eth1
[  523.419534] Could not find device with ifindex 2000 in netnsfd 11
[  523.419753] Could not find netns with fd: 2000
[  523.419846] Cannot link a netdevsim to itself
[  523.419953] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).