[ 1236.027643][T12785] netdevsim netdevsim320 eni320np1: renamed from eth0
[ 1236.144617][T12782] netdevsim netdevsim711 eni711np1: renamed from eth1
[ 1238.678140][T12777] Could not find device with ifindex 2000 in netnsfd 11
[ 1238.679652][T12777] Could not find netns with fd: 2000
[ 1238.681155][T12777] Cannot link a netdevsim to itself
[ 1238.682891][T12777] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).