[ 1228.136734][T11136] netdevsim netdevsim617 eni617np1: renamed from eth1
[ 1228.170277][T11137] netdevsim netdevsim257 eni257np1: renamed from eth0
[ 1231.603407][T11129] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.604371][T11129] Could not find netns with fd: 2000
[ 1231.604970][T11129] Cannot link a netdevsim to itself
[ 1231.605656][T11129] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).