[ 1420.490176][T12508] netdevsim netdevsim688 eni688np1: renamed from eth1
[ 1420.538202][T12509] netdevsim netdevsim418 eni418np1: renamed from eth0
[ 1424.205039][T12501] Could not find device with ifindex 2000 in netnsfd 11
[ 1424.205787][T12501] Could not find netns with fd: 2000
[ 1424.206401][T12501] Cannot link a netdevsim to itself
[ 1424.207344][T12501] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).