[ 1011.883279][T12121] netdevsim netdevsim317 eni317np1: renamed from eth0
[ 1011.920583][T12124] netdevsim netdevsim609 eni609np1: renamed from eth1
[ 1013.783289][T12547] Could not find device with ifindex 2000 in netnsfd 11
[ 1013.784330][T12547] Could not find netns with fd: 2000
[ 1013.785194][T12547] Cannot link a netdevsim to itself
[ 1013.786172][T12547] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).