[ 1268.967400][T12861] netdevsim netdevsim632 eni632np1: renamed from eth1
[ 1269.098569][T12863] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1271.717055][T12850] Could not find device with ifindex 2000 in netnsfd 11
[ 1271.719358][T12850] Could not find netns with fd: 2000
[ 1271.720567][T12850] Cannot link a netdevsim to itself
[ 1271.721639][T12850] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).