[ 1020.560953][T12570] netdevsim netdevsim649 eni649np1: renamed from eth1
[ 1020.567672][T12619] netdevsim netdevsim442 eni442np1: renamed from eth0
[ 1022.409927][T12614] Could not find device with ifindex 2000 in netnsfd 11
[ 1022.411730][T12614] Could not find netns with fd: 2000
[ 1022.412869][T12614] Cannot link a netdevsim to itself
[ 1022.414165][T12614] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).