[ 1026.856417][T12677] netdevsim netdevsim604 eni604np1: renamed from eth1
[ 1026.966274][T12727] netdevsim netdevsim263 eni263np1: renamed from eth0
[ 1028.959016][T12721] Could not find device with ifindex 2000 in netnsfd 11
[ 1028.960086][T12721] Could not find netns with fd: 2000
[ 1028.961044][T12721] Cannot link a netdevsim to itself
[ 1028.962438][T12721] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).