[ 1024.993759][T12571] netdevsim netdevsim343 eni343np1: renamed from eth0
[ 1025.075411][T12572] netdevsim netdevsim721 eni721np1: renamed from eth1
[ 1026.872241][T12616] Could not find device with ifindex 2000 in netnsfd 11
[ 1026.873261][T12616] Could not find netns with fd: 2000
[ 1026.874016][T12616] Cannot link a netdevsim to itself
[ 1026.874870][T12616] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).