[ 1023.760869][T12075] netdevsim netdevsim724 eni724np1: renamed from eth1
[ 1023.769431][T12136] netdevsim netdevsim304 eni304np1: renamed from eth0
[ 1025.657546][T12460] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.659074][T12460] Could not find netns with fd: 2000
[ 1025.660157][T12460] Cannot link a netdevsim to itself
[ 1025.661400][T12460] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).