[ 1034.386742][T12661] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1034.403955][T12660] netdevsim netdevsim544 eni544np1: renamed from eth1
[ 1036.242655][T12653] Could not find device with ifindex 2000 in netnsfd 11
[ 1036.243921][T12653] Could not find netns with fd: 2000
[ 1036.244672][T12653] Cannot link a netdevsim to itself
[ 1036.245483][T12653] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).