[ 1288.377722][T13062] netdevsim netdevsim456 eni456np1: renamed from eth0
[ 1288.504485][T13060] netdevsim netdevsim648 eni648np1: renamed from eth1
[ 1291.033194][T13049] Could not find device with ifindex 2000 in netnsfd 11
[ 1291.034703][T13049] Could not find netns with fd: 2000
[ 1291.035760][T13049] Cannot link a netdevsim to itself
[ 1291.037184][T13049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).