[ 1297.304223][T13022] netdevsim netdevsim581 eni581np1: renamed from eth1
[ 1297.426637][T13024] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1300.070056][T13011] Could not find device with ifindex 2000 in netnsfd 11
[ 1300.071959][T13011] Could not find netns with fd: 2000
[ 1300.072815][T13011] Cannot link a netdevsim to itself
[ 1300.073861][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).