[ 3168.462838][T22573] gre: GRE over IPv4 demultiplexor driver
[ 3170.524689][T22597] ip_gre: GRE over IPv4 tunneling driver
[ 3231.650766][T23177] ip6_gre: GRE over IPv6 tunneling driver
[ 3273.783432][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3279.991302][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3285.047333][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3290.871337][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!