[ 1256.459563][T12792] netdevsim netdevsim300 eni300np1: renamed from eth0
[ 1256.537620][T12793] netdevsim netdevsim662 eni662np1: renamed from eth1
[ 1259.197635][T12780] Could not find device with ifindex 2000 in netnsfd 11
[ 1259.198982][T12780] Could not find netns with fd: 2000
[ 1259.199853][T12780] Cannot link a netdevsim to itself
[ 1259.200944][T12780] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).