[ 1233.923149][T11139] netdevsim netdevsim494 eni494np1: renamed from eth0
[ 1234.046759][T11137] netdevsim netdevsim723 eni723np1: renamed from eth1
[ 1237.368231][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.369118][T11131] Could not find netns with fd: 2000
[ 1237.369757][T11131] Cannot link a netdevsim to itself
[ 1237.370463][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).