[ 1029.156095][T12641] netdevsim netdevsim299 eni299np1: renamed from eth0
[ 1029.170819][T12575] netdevsim netdevsim539 eni539np1: renamed from eth1
[ 1031.118674][T12722] Could not find device with ifindex 2000 in netnsfd 11
[ 1031.119712][T12722] Could not find netns with fd: 2000
[ 1031.120432][T12722] Cannot link a netdevsim to itself
[ 1031.121216][T12722] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).