Ping KVM Host from Guest does work for 10.0.0.1 and 192.168.2.60:
$ ping 10.0.0.1
PING 10.0.0.1 (10.0.0.1) 56(84) bytes of data. 64 bytes from 10.0.0.1: icmp_seq=1 ttl=64 time=0.555 ms
$ ping 192.168.2.60
PING 192.168.2.60 (192.168.2.60) 56(84) bytes of data. 64 bytes from 192.168.2.60: icmp_seq=1 ttl=64 time=0.772 ms
Ping a different computer 192.168.2.3 from Guest does not work:
--- 192.168.2.3 ping statistics --- 277 packets transmitted, 0 received, 100% packet loss, time 276399ms
Ping google.com from Guest does not work:
ping: unknown host google.com