[ 1029.349092][T12476] netdevsim netdevsim667 eni667np1: renamed from eth1
[ 1029.449119][T12479] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1031.341373][T12471] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.342426][T12471] Could not find netns with fd: 2000
[ 1031.343135][T12471] Cannot link a netdevsim to itself
[ 1031.343951][T12471] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).