[ 1036.128073][T12757] netdevsim netdevsim661 eni661np1: renamed from eth1
[ 1036.135331][T12760] netdevsim netdevsim462 eni462np1: renamed from eth0
[ 1038.182278][T12752] Could not find device with ifindex 2000 in netnsfd 11
[ 1038.183567][T12752] Could not find netns with fd: 2000
[ 1038.184512][T12752] Cannot link a netdevsim to itself
[ 1038.185803][T12752] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).