[ 1219.806814][T12779] netdevsim netdevsim257 eni257np1: renamed from eth0
[ 1219.873636][T12777] netdevsim netdevsim735 eni735np1: renamed from eth1
[ 1222.433981][T12772] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.435138][T12772] Could not find netns with fd: 2000
[ 1222.436054][T12772] Cannot link a netdevsim to itself
[ 1222.437209][T12772] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).