[ 1184.079073][T12783] netdevsim netdevsim679 eni679np1: renamed from eth1
[ 1184.204860][T12785] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1186.665814][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1186.666968][T12777] Could not find netns with fd: 2000
[ 1186.675441][T12777] Cannot link a netdevsim to itself
[ 1186.676581][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).