[ 1021.011740][T12581] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1021.107705][T12582] netdevsim netdevsim458 eni458np1: renamed from eth0
[ 1022.995109][T12574] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.996901][T12574] Could not find netns with fd: 2000
[ 1022.998001][T12574] Cannot link a netdevsim to itself
[ 1022.999340][T12574] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).