[ 1232.720925][T11143] netdevsim netdevsim726 eni726np1: renamed from eth1
[ 1232.824296][T11144] netdevsim netdevsim471 eni471np1: renamed from eth0
[ 1236.027731][T11136] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.028844][T11136] Could not find netns with fd: 2000
[ 1236.029735][T11136] Cannot link a netdevsim to itself
[ 1236.031134][T11136] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).