[ 1234.660878][T11123] netdevsim netdevsim416 eni416np1: renamed from eth0
[ 1234.670599][T11121] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1237.886829][T11115] Could not find device with ifindex 2000 in netnsfd 11
[ 1237.888017][T11115] Could not find netns with fd: 2000
[ 1237.888947][T11115] Cannot link a netdevsim to itself
[ 1237.890059][T11115] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).