[ 1244.819685][T12902] netdevsim netdevsim630 eni630np1: renamed from eth1
[ 1244.924807][T12905] netdevsim netdevsim495 eni495np1: renamed from eth0
[ 1247.457569][T12897] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.459390][T12897] Could not find netns with fd: 2000
[ 1247.460830][T12897] Cannot link a netdevsim to itself
[ 1247.463686][T12897] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).