[ 4052.575006][T23188] gre: GRE over IPv4 demultiplexor driver
[ 4054.794071][T23212] ip_gre: GRE over IPv4 tunneling driver
[ 4116.037144][T23785] ip6_gre: GRE over IPv6 tunneling driver
[ 4157.878326][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4163.702266][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4168.630317][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4174.710266][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4197.369514][T24551] ping (24551) used greatest stack depth: 23536 bytes left