[ 1299.310860][T12852] netdevsim netdevsim291 eni291np1: renamed from eth0
[ 1299.375724][T12853] netdevsim netdevsim693 eni693np1: renamed from eth1
[ 1302.177352][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1302.179517][T12839] Could not find netns with fd: 2000
[ 1302.180418][T12839] Cannot link a netdevsim to itself
[ 1302.182037][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).