[ 1219.202560][T11140] netdevsim netdevsim395 eni395np1: renamed from eth0
[ 1219.302548][T11138] netdevsim netdevsim611 eni611np1: renamed from eth1
[ 1222.591091][T11131] Could not find device with ifindex 2000 in netnsfd 11
[ 1222.593202][T11131] Could not find netns with fd: 2000
[ 1222.593871][T11131] Cannot link a netdevsim to itself
[ 1222.594556][T11131] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).