[  522.625783] netdevsim netdevsim487 eni487np1: renamed from eth0
[  522.723053] netdevsim netdevsim574 eni574np1: renamed from eth1
[  522.945190] Could not find device with ifindex 2000 in netnsfd 11
[  522.945410] Could not find netns with fd: 2000
[  522.945524] Cannot link a netdevsim to itself
[  522.945669] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).