[ 1113.542122][ T9719] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1113.669209][ T9721] netdevsim netdevsim503 eni503np1: renamed from eth0
[ 1116.569691][ T9707] Could not find device with ifindex 2000 in netnsfd 11
[ 1116.571533][ T9707] Could not find netns with fd: 2000
[ 1116.573013][ T9707] Cannot link a netdevsim to itself
[ 1116.574912][ T9707] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).