[ 1256.131527][T12786] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1256.255637][T12790] netdevsim netdevsim328 eni328np1: renamed from eth0
[ 1258.710508][T12778] Could not find device with ifindex 2000 in netnsfd 11
[ 1258.711711][T12778] Could not find netns with fd: 2000
[ 1258.712630][T12778] Cannot link a netdevsim to itself
[ 1258.713769][T12778] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).