[ 1222.892603][T11135] netdevsim netdevsim400 eni400np1: renamed from eth0
[ 1222.996297][T11133] netdevsim netdevsim512 eni512np1: renamed from eth1
[ 1226.200765][T11127] Could not find device with ifindex 2000 in netnsfd 11
[ 1226.201853][T11127] Could not find netns with fd: 2000
[ 1226.202773][T11127] Cannot link a netdevsim to itself
[ 1226.203855][T11127] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).