[ 1373.515509][T12523] netdevsim netdevsim405 eni405np1: renamed from eth0
[ 1373.620905][T12520] netdevsim netdevsim551 eni551np1: renamed from eth1
[ 1376.077494][T12511] Could not find device with ifindex 2000 in netnsfd 11
[ 1376.078686][T12511] Could not find netns with fd: 2000
[ 1376.079564][T12511] Cannot link a netdevsim to itself
[ 1376.080655][T12511] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).