[ 3157.177629][T27865] gre: GRE over IPv4 demultiplexor driver
[ 3158.294901][T27888] ip_gre: GRE over IPv4 tunneling driver
[ 3169.761774][T28090] ping (28090) used greatest stack depth: 23072 bytes left
[ 3193.430804][T28460] ip6_gre: GRE over IPv6 tunneling driver
[ 3197.351953][T28521] ping (28521) used greatest stack depth: 22888 bytes left
[ 3213.652636][T15645] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3217.429476][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3221.140478][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3224.276487][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3227.988466][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3350.892900][T30978] ping (30978) used greatest stack depth: 22352 bytes left