[  755.805728][T14601] netdevsim netdevsim270 eni270np1: renamed from eth0
[  755.827869][T14603] netdevsim netdevsim523 eni523np1: renamed from eth1
[  756.411794][T14589] Could not find device with ifindex 2000 in netnsfd 11
[  756.412698][T14589] Could not find netns with fd: 2000
[  756.413245][T14589] Cannot link a netdevsim to itself
[  756.413658][T14589] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).