[ 1233.828763][T12608] netdevsim netdevsim345 eni345np1: renamed from eth0
[ 1233.868037][T12610] netdevsim netdevsim716 eni716np1: renamed from eth1
[ 1236.611003][T12597] Could not find device with ifindex 2000 in netnsfd 11
[ 1236.612238][T12597] Could not find netns with fd: 2000
[ 1236.613209][T12597] Cannot link a netdevsim to itself
[ 1236.614368][T12597] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).