[ 1323.139466][T12057] netdevsim netdevsim725 eni725np1: renamed from eth1
[ 1323.248666][T12058] netdevsim netdevsim479 eni479np1: renamed from eth0
[ 1326.851278][T12050] Could not find device with ifindex 2000 in netnsfd 11
[ 1326.851997][T12050] Could not find netns with fd: 2000
[ 1326.852560][T12050] Cannot link a netdevsim to itself
[ 1326.853509][T12050] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).