[ 1249.720119][T12617] netdevsim netdevsim290 eni290np1: renamed from eth0
[ 1249.843696][T12613] netdevsim netdevsim670 eni670np1: renamed from eth1
[ 1252.500725][T12605] Could not find device with ifindex 2000 in netnsfd 11
[ 1252.502575][T12605] Could not find netns with fd: 2000
[ 1252.504320][T12605] Cannot link a netdevsim to itself
[ 1252.506176][T12605] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).