[ 1432.591239][T12502] netdevsim netdevsim474 eni474np1: renamed from eth0
[ 1432.694060][T12503] netdevsim netdevsim709 eni709np1: renamed from eth1
[ 1436.397771][T12496] Could not find device with ifindex 2000 in netnsfd 11
[ 1436.398980][T12496] Could not find netns with fd: 2000
[ 1436.399982][T12496] Cannot link a netdevsim to itself
[ 1436.401531][T12496] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).