[ 1008.949737][T12687] netdevsim netdevsim639 eni639np1: renamed from eth1
[ 1009.044240][T12737] netdevsim netdevsim378 eni378np1: renamed from eth0
[ 1010.724075][T12732] Could not find device with ifindex 2000 in netnsfd 11
[ 1010.725010][T12732] Could not find netns with fd: 2000
[ 1010.725685][T12732] Cannot link a netdevsim to itself
[ 1010.726508][T12732] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).