[ 3163.533612][T23668] gre: GRE over IPv4 demultiplexer driver
[ 3165.131795][T23691] ip_gre: GRE over IPv4 tunneling driver
[ 3213.154760][T24270] ip6_gre: GRE over IPv6 tunneling driver
[ 3233.923467][T24519] ping (24519) used greatest stack depth: 23648 bytes left
[ 3237.763189][T22577] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3246.594056][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3251.650175][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3255.938069][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3260.802096][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!