[ 1218.537768][T11127] netdevsim netdevsim401 eni401np1: renamed from eth0
[ 1218.653199][T11126] netdevsim netdevsim763 eni763np1: renamed from eth1
[ 1221.773886][T11119] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.774654][T11119] Could not find netns with fd: 2000
[ 1221.782369][T11119] Cannot link a netdevsim to itself
[ 1221.783087][T11119] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).