[ 1243.225738][T11139] netdevsim netdevsim358 eni358np1: renamed from eth0
[ 1243.232866][T11138] netdevsim netdevsim637 eni637np1: renamed from eth1
[ 1246.467729][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1246.468762][T11131] Could not find netns with fd: 2000
[ 1246.469728][T11131] Cannot link a netdevsim to itself
[ 1246.470509][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).