[ 1228.718254][T12776] netdevsim netdevsim296 eni296np1: renamed from eth0
[ 1228.841212][T12777] netdevsim netdevsim688 eni688np1: renamed from eth1
[ 1231.417970][T12768] Could not find device with ifindex 2000 in netnsfd 11
[ 1231.420209][T12768] Could not find netns with fd: 2000
[ 1231.421041][T12768] Cannot link a netdevsim to itself
[ 1231.422070][T12768] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).