[ 1222.901384][T11142] netdevsim netdevsim726 eni726np1: renamed from eth1
[ 1222.916562][T11144] netdevsim netdevsim466 eni466np1: renamed from eth0
[ 1226.338908][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.339987][T11136] Could not find netns with fd: 2000
[ 1226.340887][T11136] Cannot link a netdevsim to itself
[ 1226.341974][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).