[ 1306.823145][T13023] netdevsim netdevsim312 eni312np1: renamed from eth0
[ 1306.943669][T13022] netdevsim netdevsim654 eni654np1: renamed from eth1
[ 1309.484205][T13010] Could not find device with ifindex 2000 in netnsfd 11
[ 1309.486375][T13010] Could not find netns with fd: 2000
[ 1309.487790][T13010] Cannot link a netdevsim to itself
[ 1309.489616][T13010] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).