[ 1066.654401][T12579] netdevsim netdevsim550 eni550np1: renamed from eth1
[ 1066.772391][T12578] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 1068.598777][T12724] Could not find device with ifindex 2000 in netnsfd 11
[ 1068.599794][T12724] Could not find netns with fd: 2000
[ 1068.600534][T12724] Cannot link a netdevsim to itself
[ 1068.601651][T12724] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).