[ 1233.233811][T11138] netdevsim netdevsim470 eni470np1: renamed from eth0
[ 1233.346270][T11136] netdevsim netdevsim719 eni719np1: renamed from eth1
[ 1236.707811][T11130] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.708545][T11130] Could not find netns with fd: 2000
[ 1236.709074][T11130] Cannot link a netdevsim to itself
[ 1236.710095][T11130] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).