[ 1245.069999][T12786] netdevsim netdevsim703 eni703np1: renamed from eth1
[ 1245.097673][T12787] netdevsim netdevsim354 eni354np1: renamed from eth0
[ 1247.833236][T12775] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.834445][T12775] Could not find netns with fd: 2000
[ 1247.835446][T12775] Cannot link a netdevsim to itself
[ 1247.837003][T12775] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).