[  488.601388] netdevsim netdevsim372 eni372np1: renamed from eth0
[  488.702425] netdevsim netdevsim665 eni665np1: renamed from eth1
[  489.070241] Could not find device with ifindex 2000 in netnsfd 11
[  489.070414] Could not find netns with fd: 2000
[  489.070506] Cannot link a netdevsim to itself
[  489.070611] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).