[ 1224.885636][T12777] netdevsim netdevsim670 eni670np1: renamed from eth1
[ 1225.015203][T12779] netdevsim netdevsim485 eni485np1: renamed from eth0
[ 1227.683822][T12771] Could not find device with ifindex 2000 in netnsfd 11
[ 1227.685750][T12771] Could not find netns with fd: 2000
[ 1227.687217][T12771] Cannot link a netdevsim to itself
[ 1227.689139][T12771] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).