[ 1273.557197][T12849] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1273.620473][T12848] netdevsim netdevsim599 eni599np1: renamed from eth1
[ 1276.271109][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1276.273097][T12839] Could not find netns with fd: 2000
[ 1276.274002][T12839] Cannot link a netdevsim to itself
[ 1276.275059][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).