[ 1330.819921][T12850] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1330.885332][T12849] netdevsim netdevsim688 eni688np1: renamed from eth1
[ 1333.475086][T12838] Could not find device with ifindex 2000 in netnsfd 11
[ 1333.477382][T12838] Could not find netns with fd: 2000
[ 1333.478305][T12838] Cannot link a netdevsim to itself
[ 1333.479418][T12838] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).