[  484.974429] netdevsim netdevsim274 eni274np1: renamed from eth0
[  484.974760] netdevsim netdevsim660 eni660np1: renamed from eth1
[  485.066474] Could not find device with ifindex 2000 in netnsfd 11
[  485.066571] Could not find netns with fd: 2000
[  485.066617] Cannot link a netdevsim to itself
[  485.066670] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).