[ 3445.621255][T24842] gre: GRE over IPv4 demultiplexer driver
[ 3447.414478][T24865] ip_gre: GRE over IPv4 tunneling driver
[ 3498.625923][T25438] ip6_gre: GRE over IPv6 tunneling driver
[ 3516.412859][T23600] ip6_tunnel: tep1 xmit: Local address not yet configured!
[ 3534.075577][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3539.515684][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3544.123649][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3549.371569][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!