[ 1046.677209][T12772] netdevsim netdevsim644 eni644np1: renamed from eth1
[ 1046.735239][T12773] netdevsim netdevsim294 eni294np1: renamed from eth0
[ 1048.697621][T12765] Could not find device with ifindex 2000 in netnsfd 11
[ 1048.698546][T12765] Could not find netns with fd: 2000
[ 1048.699549][T12765] Cannot link a netdevsim to itself
[ 1048.700792][T12765] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).