[ 1308.042052][T12060] netdevsim netdevsim404 eni404np1: renamed from eth0
[ 1308.144367][T12058] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1311.809961][T12052] Could not find device with ifindex 2000 in netnsfd 11
[ 1311.811166][T12052] Could not find netns with fd: 2000
[ 1311.812203][T12052] Cannot link a netdevsim to itself
[ 1311.812997][T12052] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).