[ 1251.361823][T12790] netdevsim netdevsim393 eni393np1: renamed from eth0
[ 1251.428976][T12788] netdevsim netdevsim735 eni735np1: renamed from eth1
[ 1254.078741][T12782] Could not find device with ifindex 2000 in netnsfd 11
[ 1254.080598][T12782] Could not find netns with fd: 2000
[ 1254.082341][T12782] Cannot link a netdevsim to itself
[ 1254.084133][T12782] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).