[ 1219.417121][T11137] netdevsim netdevsim700 eni700np1: renamed from eth1
[ 1219.515845][T11139] netdevsim netdevsim451 eni451np1: renamed from eth0
[ 1222.783964][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.784971][T11131] Could not find netns with fd: 2000
[ 1222.785974][T11131] Cannot link a netdevsim to itself
[ 1222.787487][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).