[ 3177.745092][T27811] gre: GRE over IPv4 demultiplexor driver
[ 3178.912202][T27834] ip_gre: GRE over IPv4 tunneling driver
[ 3215.101975][T28405] ip6_gre: GRE over IPv6 tunneling driver
[ 3229.945729][T28654] ping (28654) used greatest stack depth: 23296 bytes left
[ 3239.608402][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3243.384295][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3246.712302][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.552292][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3299.193045][T29749] ping (29749) used greatest stack depth: 22944 bytes left