[ 3137.553811][T23670] gre: GRE over IPv4 demultiplexer driver
[ 3139.187797][T23693] ip_gre: GRE over IPv4 tunneling driver
[ 3187.361727][T24268] ip6_gre: GRE over IPv6 tunneling driver
[ 3216.514409][T22476] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3221.250273][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3226.114265][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3230.274247][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3235.137306][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3309.961859][T25721] ip (25721) used greatest stack depth: 23120 bytes left