[ 2966.939689][T26216] gre: GRE over IPv4 demultiplexer driver
[ 2968.563307][T26239] ip_gre: GRE over IPv4 tunneling driver
[ 3015.434977][T26810] ip6_gre: GRE over IPv6 tunneling driver
[ 3035.259550][T27060] ping (27060) used greatest stack depth: 23648 bytes left
[ 3047.883268][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3052.747231][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3056.843210][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3061.643218][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!