[  484.127639] netdevsim netdevsim382 eni382np1: renamed from eth0
[  484.228881] netdevsim netdevsim522 eni522np1: renamed from eth1
[  484.598309] Could not find device with ifindex 2000 in netnsfd 11
[  484.598487] Could not find netns with fd: 2000
[  484.598585] Cannot link a netdevsim to itself
[  484.598727] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).