[ 1251.162719][T12789] netdevsim netdevsim646 eni646np1: renamed from eth1
[ 1251.287901][T12793] netdevsim netdevsim279 eni279np1: renamed from eth0
[ 1254.047266][T12781] Could not find device with ifindex 2000 in netnsfd 11
[ 1254.048434][T12781] Could not find netns with fd: 2000
[ 1254.049321][T12781] Cannot link a netdevsim to itself
[ 1254.050410][T12781] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).