[ 1233.466633][T11140] netdevsim netdevsim523 eni523np1: renamed from eth1
[ 1233.470872][T11141] netdevsim netdevsim429 eni429np1: renamed from eth0
[ 1236.827944][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.828732][T11133] Could not find netns with fd: 2000
[ 1236.829432][T11133] Cannot link a netdevsim to itself
[ 1236.830156][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).