[  472.439622] netdevsim netdevsim322 eni322np1: renamed from eth0
[  472.440448] netdevsim netdevsim532 eni532np1: renamed from eth1
[  472.516826] Could not find device with ifindex 2000 in netnsfd 11
[  472.516916] Could not find netns with fd: 2000
[  472.516963] Cannot link a netdevsim to itself
[  472.517012] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).