[  483.842628] netdevsim netdevsim278 eni278np1: renamed from eth0
[  483.943414] netdevsim netdevsim633 eni633np1: renamed from eth1
[  484.302650] Could not find device with ifindex 2000 in netnsfd 11
[  484.302829] Could not find netns with fd: 2000
[  484.302940] Cannot link a netdevsim to itself
[  484.303063] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).