[ 4297.336320][T29223] gre: GRE over IPv4 demultiplexer driver
[ 4299.094596][T29246] ip_gre: GRE over IPv4 tunneling driver
[ 4350.520981][T29825] ip6_gre: GRE over IPv6 tunneling driver
[ 4379.175054][T30168] ping (30168) used greatest stack depth: 23264 bytes left
[ 4384.389773][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4389.316686][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4393.540661][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4398.469680][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!