[ 1220.741154][T11141] netdevsim netdevsim532 eni532np1: renamed from eth1
[ 1220.773004][T11142] netdevsim netdevsim301 eni301np1: renamed from eth0
[ 1224.110004][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.110713][T11134] Could not find netns with fd: 2000
[ 1224.111516][T11134] Cannot link a netdevsim to itself
[ 1224.112298][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).