[ 1014.239739][T12495] netdevsim netdevsim273 eni273np1: renamed from eth0
[ 1014.357981][T12494] netdevsim netdevsim693 eni693np1: renamed from eth1
[ 1016.150327][T12487] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.151572][T12487] Could not find netns with fd: 2000
[ 1016.152528][T12487] Cannot link a netdevsim to itself
[ 1016.153276][T12487] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).