[ 1231.200211][T11143] netdevsim netdevsim306 eni306np1: renamed from eth0
[ 1231.222900][T11142] netdevsim netdevsim702 eni702np1: renamed from eth1
[ 1234.647794][T11135] Could not find device with ifindex 2000 in netnsfd 11
[ 1234.648536][T11135] Could not find netns with fd: 2000
[ 1234.649087][T11135] Cannot link a netdevsim to itself
[ 1234.649760][T11135] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).