[ 1302.553733][ T9808] gre: GRE over IPv4 demultiplexer driver
[ 1303.113929][ T9831] ip_gre: GRE over IPv4 tunneling driver
[ 1319.809418][T10404] ip6_gre: GRE over IPv6 tunneling driver
[ 1327.972035][T10748] ping (10748) used greatest stack depth: 22952 bytes left
[ 1330.938236][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1332.985177][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1334.906191][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1337.018201][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!