[ 1572.563512][ T1209] gre: GRE over IPv4 demultiplexer driver
[ 1573.010234][ T1232] ip_gre: GRE over IPv4 tunneling driver
[ 1588.802700][ T1810] ip6_gre: GRE over IPv6 tunneling driver
[ 1594.329357][ T2060] ping (2060) used greatest stack depth: 22224 bytes left
[ 1599.115015][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1601.098980][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1602.955977][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1604.938987][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!