[ 1386.843649][T13023] netdevsim netdevsim552 eni552np1: renamed from eth1
[ 1386.903008][T13024] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1389.497085][T13012] Could not find device with ifindex 2000 in netnsfd 11
[ 1389.499490][T13012] Could not find netns with fd: 2000
[ 1389.500655][T13012] Cannot link a netdevsim to itself
[ 1389.501970][T13012] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).