[ 1014.234567][T12481] netdevsim netdevsim602 eni602np1: renamed from eth1
[ 1014.327799][T12482] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1016.027286][T12474] Could not find device with ifindex 2000 in netnsfd 11
[ 1016.028450][T12474] Could not find netns with fd: 2000
[ 1016.029269][T12474] Cannot link a netdevsim to itself
[ 1016.030046][T12474] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).