[  522.252189] netdevsim netdevsim719 eni719np1: renamed from eth1
[  522.349221] netdevsim netdevsim256 eni256np1: renamed from eth0
[  522.598019] Could not find device with ifindex 2000 in netnsfd 11
[  522.598238] Could not find netns with fd: 2000
[  522.598350] Cannot link a netdevsim to itself
[  522.598492] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).