[ 1302.706916][T12070] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1302.731011][T12069] netdevsim netdevsim601 eni601np1: renamed from eth1
[ 1306.359117][T12062] Could not find device with ifindex 2000 in netnsfd 11
[ 1306.359910][T12062] Could not find netns with fd: 2000
[ 1306.360768][T12062] Cannot link a netdevsim to itself
[ 1306.362149][T12062] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).