[ 3153.564902][T23661] gre: GRE over IPv4 demultiplexer driver
[ 3155.157711][T23684] ip_gre: GRE over IPv4 tunneling driver
[ 3203.826436][T24264] ip6_gre: GRE over IPv6 tunneling driver
[ 3224.833798][T10097] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3232.321752][T12021] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3236.993650][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3241.858653][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3246.018639][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.881678][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3320.711521][T25645] ping (25645) used greatest stack depth: 23280 bytes left