[ 1232.255463][T12782] netdevsim netdevsim441 eni441np1: renamed from eth0
[ 1232.368382][T12781] netdevsim netdevsim636 eni636np1: renamed from eth1
[ 1235.080921][T12774] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.082479][T12774] Could not find netns with fd: 2000
[ 1235.083468][T12774] Cannot link a netdevsim to itself
[ 1235.084647][T12774] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).