[ 1425.365521][T12507] netdevsim netdevsim722 eni722np1: renamed from eth1
[ 1425.479340][T12509] netdevsim netdevsim281 eni281np1: renamed from eth0
[ 1429.099739][T12501] Could not find device with ifindex 2000 in netnsfd 11
[ 1429.100533][T12501] Could not find netns with fd: 2000
[ 1429.101166][T12501] Cannot link a netdevsim to itself
[ 1429.102210][T12501] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).