[ 1309.906270][T12788] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1309.941833][T12785] netdevsim netdevsim683 eni683np1: renamed from eth1
[ 1312.909377][T12776] Could not find device with ifindex 2000 in netnsfd 11
[ 1312.911787][T12776] Could not find netns with fd: 2000
[ 1312.913322][T12776] Cannot link a netdevsim to itself
[ 1312.915255][T12776] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).