[ 1260.315721][T12752] netdevsim netdevsim704 eni704np1: renamed from eth1
[ 1260.430720][T12755] netdevsim netdevsim391 eni391np1: renamed from eth0
[ 1263.059279][T12743] Could not find device with ifindex 2000 in netnsfd 11
[ 1263.060999][T12743] Could not find netns with fd: 2000
[ 1263.061978][T12743] Cannot link a netdevsim to itself
[ 1263.063166][T12743] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).