[ 1015.522095][T12638] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1015.621359][T12572] netdevsim netdevsim472 eni472np1: renamed from eth0
[ 1017.487795][T12718] Could not find device with ifindex 2000 in netnsfd 11
[ 1017.488827][T12718] Could not find netns with fd: 2000
[ 1017.489571][T12718] Cannot link a netdevsim to itself
[ 1017.490345][T12718] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).