[ 1272.555241][T12854] netdevsim netdevsim459 eni459np1: renamed from eth0
[ 1272.666948][T12853] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1275.194303][T12844] Could not find device with ifindex 2000 in netnsfd 11
[ 1275.195950][T12844] Could not find netns with fd: 2000
[ 1275.204985][T12844] Cannot link a netdevsim to itself
[ 1275.206193][T12844] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).