[ 1291.281327][T12052] netdevsim netdevsim734 eni734np1: renamed from eth1
[ 1291.300689][T12054] netdevsim netdevsim323 eni323np1: renamed from eth0
[ 1294.661509][T12045] Could not find device with ifindex 2000 in netnsfd 11
[ 1294.662284][T12045] Could not find netns with fd: 2000
[ 1294.662976][T12045] Cannot link a netdevsim to itself
[ 1294.663687][T12045] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).