[  523.637879] netdevsim netdevsim717 eni717np1: renamed from eth1
[  523.734202] netdevsim netdevsim453 eni453np1: renamed from eth0
[  523.991057] Could not find device with ifindex 2000 in netnsfd 11
[  523.991250] Could not find netns with fd: 2000
[  523.991359] Cannot link a netdevsim to itself
[  523.991471] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).