[ 1293.898555][T13023] netdevsim netdevsim544 eni544np1: renamed from eth1
[ 1294.006529][T13025] netdevsim netdevsim342 eni342np1: renamed from eth0
[ 1296.773928][T13012] Could not find device with ifindex 2000 in netnsfd 11
[ 1296.789232][T13012] Could not find netns with fd: 2000
[ 1296.790821][T13012] Cannot link a netdevsim to itself
[ 1296.793164][T13012] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).