[ 1024.070468][T12678] netdevsim netdevsim529 eni529np1: renamed from eth1
[ 1024.171865][T12728] netdevsim netdevsim300 eni300np1: renamed from eth0
[ 1026.245799][T12723] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.253088][T12723] Could not find netns with fd: 2000
[ 1026.254223][T12723] Cannot link a netdevsim to itself
[ 1026.254996][T12723] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).