[ 1285.719927][T11139] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1285.727794][T11141] netdevsim netdevsim305 eni305np1: renamed from eth0
[ 1289.278962][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1289.279745][T11133] Could not find netns with fd: 2000
[ 1289.286136][T11133] Cannot link a netdevsim to itself
[ 1289.286886][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).