[ 1293.500793][T12057] netdevsim netdevsim461 eni461np1: renamed from eth0
[ 1293.516615][T12056] netdevsim netdevsim549 eni549np1: renamed from eth1
[ 1297.072567][T12049] Could not find device with ifindex 2000 in netnsfd 11
[ 1297.078309][T12049] Could not find netns with fd: 2000
[ 1297.079003][T12049] Cannot link a netdevsim to itself
[ 1297.079754][T12049] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).