[ 1050.173420][ T9982] netdevsim netdevsim337 eni337np1: renamed from eth0
[ 1050.250675][ T9979] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1052.780562][ T9968] Could not find device with ifindex 2000 in netnsfd 11
[ 1052.782161][ T9968] Could not find netns with fd: 2000
[ 1052.783099][ T9968] Cannot link a netdevsim to itself
[ 1052.784241][ T9968] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).