[ 1168.996506][T11132] netdevsim netdevsim696 eni696np1: renamed from eth1
[ 1169.014792][T11134] netdevsim netdevsim484 eni484np1: renamed from eth0
[ 1172.191169][T11126] Could not find device with ifindex 2000 in netnsfd 11
[ 1172.192037][T11126] Could not find netns with fd: 2000
[ 1172.192579][T11126] Cannot link a netdevsim to itself
[ 1172.193271][T11126] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).