[ 1327.099083][T26975] gre: GRE over IPv4 demultiplexer driver
[ 1327.626738][T27002] ip_gre: GRE over IPv4 tunneling driver
[ 1332.183445][T27204] ping (27204) used greatest stack depth: 23632 bytes left
[ 1343.713517][T27574] ip6_gre: GRE over IPv6 tunneling driver
[ 1354.242626][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1356.290578][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1358.145572][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1360.193587][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!