[  515.001501] netdevsim netdevsim588 eni588np1: renamed from eth1
[  515.099125] netdevsim netdevsim504 eni504np1: renamed from eth0
[  515.280966] Could not find device with ifindex 2000 in netnsfd 11
[  515.281125] Could not find netns with fd: 2000
[  515.281196] Cannot link a netdevsim to itself
[  515.281284] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).