[  483.308056] netdevsim netdevsim269 eni269np1: renamed from eth0
[  483.310178] netdevsim netdevsim541 eni541np1: renamed from eth1
[  483.388227] Could not find device with ifindex 2000 in netnsfd 11
[  483.388306] Could not find netns with fd: 2000
[  483.388351] Cannot link a netdevsim to itself
[  483.388403] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).