[ 4254.021702][T29254] gre: GRE over IPv4 demultiplexer driver
[ 4255.644335][T29277] ip_gre: GRE over IPv4 tunneling driver
[ 4304.025469][T29850] ip6_gre: GRE over IPv6 tunneling driver
[ 4324.635575][T30100] ping (30100) used greatest stack depth: 23488 bytes left
[ 4337.784375][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4342.840229][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4347.129196][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4352.377181][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!