[ 1240.803505][T11131] netdevsim netdevsim287 eni287np1: renamed from eth0
[ 1240.824823][T11129] netdevsim netdevsim735 eni735np1: renamed from eth1
[ 1244.266655][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1244.267438][T11123] Could not find netns with fd: 2000
[ 1244.268059][T11123] Cannot link a netdevsim to itself
[ 1244.269620][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).