[ 1233.995129][T11139] netdevsim netdevsim320 eni320np1: renamed from eth0
[ 1234.007003][T11137] netdevsim netdevsim626 eni626np1: renamed from eth1
[ 1237.227522][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.228239][T11131] Could not find netns with fd: 2000
[ 1237.228814][T11131] Cannot link a netdevsim to itself
[ 1237.229478][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).