[ 1298.179139][T12855] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1298.293749][T12854] netdevsim netdevsim457 eni457np1: renamed from eth0
[ 1300.885585][T12842] Could not find device with ifindex 2000 in netnsfd 11
[ 1300.887696][T12842] Could not find netns with fd: 2000
[ 1300.888548][T12842] Cannot link a netdevsim to itself
[ 1300.900664][T12842] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).