[ 1021.370518][T12582] netdevsim netdevsim446 eni446np1: renamed from eth0
[ 1021.483060][T12581] netdevsim netdevsim657 eni657np1: renamed from eth1
[ 1023.361163][T12574] Could not find device with ifindex 2000 in netnsfd 11
[ 1023.362088][T12574] Could not find netns with fd: 2000
[ 1023.362739][T12574] Cannot link a netdevsim to itself
[ 1023.363522][T12574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).