[ 1215.648105][T12780] netdevsim netdevsim416 eni416np1: renamed from eth0
[ 1215.750937][T12779] netdevsim netdevsim669 eni669np1: renamed from eth1
[ 1218.151426][T12773] Could not find device with ifindex 2000 in netnsfd 11
[ 1218.152549][T12773] Could not find netns with fd: 2000
[ 1218.153378][T12773] Cannot link a netdevsim to itself
[ 1218.154415][T12773] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).