[ 1217.657497][T11142] netdevsim netdevsim431 eni431np1: renamed from eth0
[ 1217.673287][T11141] netdevsim netdevsim638 eni638np1: renamed from eth1
[ 1221.003826][T11134] Could not find device with ifindex 2000 in netnsfd 11
[ 1221.004566][T11134] Could not find netns with fd: 2000
[ 1221.005132][T11134] Cannot link a netdevsim to itself
[ 1221.005804][T11134] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).