[ 1223.176652][T11140] netdevsim netdevsim666 eni666np1: renamed from eth1
[ 1223.194314][T11142] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1226.522489][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.523209][T11134] Could not find netns with fd: 2000
[ 1226.523857][T11134] Cannot link a netdevsim to itself
[ 1226.524598][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).