[ 1224.041907][T11145] netdevsim netdevsim408 eni408np1: renamed from eth0
[ 1224.055547][T11143] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1227.339412][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.340143][T11137] Could not find netns with fd: 2000
[ 1227.340695][T11137] Cannot link a netdevsim to itself
[ 1227.341367][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).