[ 1217.513889][T11127] netdevsim netdevsim720 eni720np1: renamed from eth1
[ 1217.566468][T11128] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1220.807089][T11120] Could not find device with ifindex 2000 in netnsfd 11
[ 1220.807815][T11120] Could not find netns with fd: 2000
[ 1220.808365][T11120] Cannot link a netdevsim to itself
[ 1220.814002][T11120] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).