[ 1222.031655][T11140] netdevsim netdevsim561 eni561np1: renamed from eth1
[ 1222.042021][T11141] netdevsim netdevsim402 eni402np1: renamed from eth0
[ 1225.419452][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1225.420171][T11133] Could not find netns with fd: 2000
[ 1225.420718][T11133] Cannot link a netdevsim to itself
[ 1225.421407][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).