[  513.374009] netdevsim netdevsim753 eni753np1: renamed from eth1
[  513.471381] netdevsim netdevsim483 eni483np1: renamed from eth0
[  513.661806] Could not find device with ifindex 2000 in netnsfd 11
[  513.661961] Could not find netns with fd: 2000
[  513.662031] Cannot link a netdevsim to itself
[  513.662116] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).